DOSEN PROFIL LENGKAP

any time of the menstrual cycle for women. Sex pheromones facilitate copulatory reflexes in various organisms, but, in humans, the detection of pheromones...

Snakes are elongated legless reptiles of the suborder Serpentes. Cladistically squamates, snakes are ectothermic, amniote vertebrates covered in overlapping...

Female copulatory vocalizations, also called female copulation calls or coital vocalizations, are produced by female primates, including human females...

A sex organ, also known as a reproductive organ, is a part of an organism that is involved in sexual reproduction. Sex organs constitute the primary sex...

the base of the tail where waste is also eliminated. Most reptiles have copulatory organs, which are usually retracted or inverted and stored inside the...

tying or knotting. While characteristic of mating in most canids, the copulatory tie has been reported to be absent or very brief (less than one minute)...

of sexual arousal, creating a powerful positive feedback effect. Thus, copulatory vocalisations are likely to serve mutual sexual stimulation for mating...

similar to spiders, such as dragonflies, males extrude sperm into secondary copulatory structures removed from their genital opening, which are then used to...

occurs during copulation. In most deer species, a copulatory jump also occurs. During mating, a "copulatory tie" occurs in mammals such as fossas, canids...

The pelvic thrust is the thrusting motion of the pelvic region, which is used for a variety of activities, such as dance, exercise, or sexual activity...

Gonopods are specialized appendages of various arthropods used in reproduction or egg-laying. In males, they facilitate the transfer of sperm from male...

structure used for mating (variously called a palpal bulb, palpal organ or copulatory bulb). The basal segments of the pedipalps, the coxae, next to the mouth...

female choice is a form of mate choice which occurs both in pre- and post-copulatory circumstances in which females of certain species use physical or chemical...

A sex position is a positioning of the bodies that people use to engage in sexual intercourse or other sexual activities. Sexual acts are generally described...

In nematodes, spicules, also known as copulatory spicules, are needle-like mating structures found only in males. Male nematodes may have one or two spicules...

post copulatory isolation, as opposed to the situation described previously for pre-copulatory isolation. In many species where pre-copulatory reproductive...

function of the renal sex segment is to produce copulatory pheromones and the granules for formation of a copulatory plug. The female reproductive system consists...

sperm they collect for future use. Another species of insect that uses a copulatory plug is Drosophila mettleri, a Sonoran Desert Fly species from the Diptera...

rodent species. Penile spines are often found in primate species that form copulatory plugs after mating. In galagos, penile spines may form a "genital lock"...

Sperm competition is a form of post-copulatory sexual selection whereby male sperm simultaneously physically compete to fertilize a single ovum. Sperm...

2009. Wildt, D. E.; Seager, S. W.; Chakraborty, P. K. (1980). "Effect of Copulatory Stimuli on Incidence of Ovulation and on Serum Luteinizing Hormone in...

mistaken identity. The adaptive foraging hypothesis is a proposed pre-copulatory explanation in which females assess the nutritional value of a male compared...

females in their community. Copulatory plugs are frequently observed in insects, reptiles, some mammals, and spiders. Copulatory plugs are inserted immediately...

insects, the structure analogous to a penis is known as aedeagus. The male copulatory organ of various lower invertebrate animals is often called the cirrus...

Palpal or copulatory bulb of Unicorn catleyi...

are also white hairs on the part of its face known as its clypeus. Its copulatory organs help distinguish it from other species in the genus, particularly...

of social rank. Observed non-procreative sexual activities include non-copulatory mounting (without insertion, or by a female, or by a younger male who...

copulation to help overcome female resistance and penetrate into their copulatory duct. In addition to aiding penetration, these spines promote the passage...

Anatextrix is a genus of spiders in the family Agelenidae. The copulatory mechanism of Anatetrix has been described in detail. Anatextrix is endemic to...

suborder are readily distinguished from other isopods by their complex copulatory apparatus. Other characteristics include six-jointed antennal peduncle...

reproductive openings hidden in a small indentation in the visible part of their copulatory organs, the epigyne. Detalik is a genus of jumping spiders, a member of...

the tip of the abdomen for holding the female, and a secondary set of copulatory organs located between the second and third abdominal segment in which...

elongate filaments. The copulatory organs include a sclerotised cone-shaped vagina, 125-175 μm in length, and a male copulatory organ, comprising a ring...

S2CID 37806997. Dodson, Gary N.; Beck, Michael W. (November 1993). "Pre-copulatory guarding of penultimate females by male crab spiders, Misumenoides formosipes"...

distinguished from other members of the genus by its copulatory organs. The female has copulatory openings towards the back of the epigyne and a projecting...

cyclical nature of his punishment reminded the authors of the circular copulatory tube of the spider. This species is small in size with males having a...

Slovakia." Zoology and Ecology 23.3 (2013): 165–170. Bijlsma, Rob G. "Copulatory lock of wild red fox (Vulpes vulpes) in broad daylight. Archived 2017-08-29...

competition and sperm competition as mechanisms for sexual selection. The pre-copulatory mechanisms, including contest and scramble competition, are conditional...

there is a red mark. At the extremities of the pedipalps, males have the copulatory organs, called palpal bulbs, similar to an ampoule, that are used to transfer...

palpal bulbs – also known as palpal organs and genital bulbs – are the copulatory organs of a male spider. They are borne on the last segment of the pedipalps...

increase their reproductive success are post-copulatory guarding and spermatophore displacement. Post-copulatory guarding is when a male remains on the female’s...

Copulatory complex of Philobdella floridana from North Carolina, South Carolina and Georgia. A, Lake Phelps, NC (Phg-2). Note distinct clitellum from annulus...

oreophila, and females have a long, S-shaped copulatory duct, whereas C. oreophila has a short, thick copulatory duct. The carapace is dark gray with a dark...

village in England Copulatory tie, an aspect of canine reproduction Knotting, a trope in Omegaverse erotic fiction, derived from the copulatory tie This disambiguation...

Chabanais, where the chair, designed specifically to cater for his various copulatory tastes, was installed. Created by furniture manufacturer Soubrier, it...

phases. The last phase of a male canine's ejaculation occurs during the copulatory tie, and contains mostly prostatic fluid. Human sexuality portal Aspermia...

Langelurillus cedarbergensis, but can be distinguished by its closely-spaced copulatory openings and three-chambered receptacles. Langelurillus namibicus is a...

A male and a female forming a copulatory "wheel"...

dominant reproductive strategy may have reduced the intensity of copulatory and post-copulatory sexual selection, and made the baculum obsolete. Humans "evolved...

spike, or apophysis, that emanates from its palpal tibia, part of its copulatory organs, which is recalled in the specific name. The species was first...

contrast to the other species' red-orange hairs. It also has distinctive copulatory organs, particularly the existence of a outgrowth on the tibia of the...

Carico, J.E. & P.C. Holt. (1964). A comparative study of the female copulatory apparatus of certain species in the spider genus Dolomedes (Pisauridae:...

H. Sawyer (neuroendocrinology). He began his work on the effects of copulatory behavior on reproductive physiology. By making behavior the 'independent...

is secreted by the male blister beetle, and given to the female as a copulatory gift during mating. Afterwards, the female beetle covers her eggs with...

published by Hannah Humphrey on 24 January 1792. The print shows the feet and ankles of the Duke and Duchess of York in an obviously copulatory position....

the base of the tail where waste is also eliminated. Most reptiles have copulatory organs, which are usually retracted or inverted and stored inside the...

spinnerets. Apart from the scutum, the spider can be identified by its copulatory organs. The male has a palpal bulb that has bulges that extend below its...

spiders by its copulatory organs, and particularly the triangular plate on its epigyne, the visible external part of the female's copulatory organs. The...

other members of the genus. Its legs have light stripes on them. Its copulatory organs are distinctive, particularly the shape of the tegulum apophysis...

octopus, body mass is observed to be the strongest factor that influences copulatory rates. Evidence of female preference of larger males is apparent, although...

courtship behavior of the megamouth shark as trailing is associated with pre-copulatory behavior in other closely related shark species. Sharks portal Kyne, P...

The reproductive system has evolved for internal fertilization, with a copulatory organ present in most species. The eggs are surrounded by amniotic membranes...

ability of the female to choose her mate is limited. This process, known as copulatory courtship, is prevalent in many insect species. In most species, the male...

be best distinguished from the similar Stenaelurillus hirsutus by its copulatory organs. The male has a ribbon-like spiralling embolus and the female has...

be inseminated. However, in many species that engage in this form of copulatory competition, each father will continue to fence with other partners until...

The three species differ in size, colour pattern, shape of prosoma and copulatory organs, and habitat, with no morphologically intermediate forms. As eastern...

recalled in the species name that means "tiny". Internally, the spider's copulatory organs are similar to the related Pochyta pulchra. The male has not been...

female's copulatory organs are distinctive, particularly its copulatory openings near the rear of its epigyne, the visible external part of its copulatory organs...

S2CID 240074895. Fitzsimmons, Jay M.; Fitzsimmons, Lauren P. (2010). "Pre-copulatory behavior of the wheel bug Arilus gallus (Hemiptera: Reduviidae)". Entomological...

Estonia female, Estonia Gomphus vulgatissimus, female, South France Copulatory organs of a female Boudot, J.-P. (2014). "Gomphus vulgatissimus". IUCN...

copulating with the female. Mate guarding behaviour can be pre- or post-copulatory. Mate guarding has similar aims and may overlap with but is distinct from...

underside of the animal, roughly two-thirds of the way along the body. A copulatory organ on the tail collects the sperm and transfers it to the partner's...

globular spermathecae and convoluted copulatory ducts with an enlarged base, but they have laterally directed copulatory openings with an epigynal tooth above...

4289/0013-8797.123.3.551. Fitzsimmons, Jay M.; Fitzsimmons, Lauren P. (2010). "Pre-copulatory behavior of the wheel bug Arilus gallus (Hemiptera: Reduviidae)". Entomological...

PMID 24539413. Archived from the original on 18 June 2022. Poglayen-Neuwall, I. "Copulatory behavior, gestation and parturition of the tayra." Bull. Br. Mus. (Nat...

containing broad-headed land planarians with simple copulatory organs, without accessory ducts or copulatory bursa, and with a fold of tissue separating the...

but in A. treecko the epigyne is anteriorly narrow and flat and the copulatory ducts are narrow. The male holotype has a total length of 5.26 mm. The...

seasonally, such as enlarged jaw muscles used in mate competition, and post-copulatory sperm characteristics. Cacciali, P., Carreira, S., Fitzgerald, L., Kacoliris...

Inbreeding avoidance, or the inbreeding avoidance hypothesis, is a concept in evolutionary biology that refers to the prevention of the harmful effects...

formed and occurs before copulation and occasionally continues through the copulatory and chick-rearing stages of the breeding phenology. The sequence and variety...

the male during mating. This small species has been used to study pre-copulatory cannibalism, boldness, aggressive foraging behavior, and the influence...

euphallics = male copulatory organs have developed as usual hemiphallics = male copulatory organs are reduced aphallics = no male copulatory organs develop...

gonopores are well separated from the posterior end of the body. The male copulatory apparatus lies right behind the pharynx and has a muscular prostatic vesicle...

heteracantha) can be later found mating and engaging in pre-copulatory and post-copulatory behaviour during the day, despite being nocturnal. Similarly...

the flatworm species M. hystrix. This is achieved by using their male copulatory organ, a needle-like stylet, to pierce through the epidermis and into...

mating includes a copulatory tie, during which the animals are locked together. Urine-marking plays a significant role in their pre-copulatory behavior. Gestation...

surviving only a few matings and consequently having short life-spans. Pre-copulatory mate choice processes have been observed in a wide range of spider species...

from other Australian Cyclopina species by its females having a long copulatory duct, and the antennula being 10-segmented. "Australian Faunal Directory:...

matters, it is shape". The following year, she created "The Museum of Copulatory Organs" for her doctoral project. She was awarded her PhD from the University...

propagation, they engage in "plugging", in which the male breaks off its copulatory organ, securing it into the female, thus preventing future insemination...

modifications at the site of intromission, which include grooves and invaginated copulatory tubes to guide the male paramere. The evolution of traumatic insemination...

(2001). "Tidarren argo sp. nov (Araneae: Theridiidae) and its exceptional copulatory behaviour: emasculation, male palpal organ as a mating plug and sexual...

structure called the bulbus glandis that expands during copulation, forming a copulatory tie that lasts for up to an hour. Young canids are born blind, with their...

Spines are also found in internal organs in invertebrates, such as the copulatory spines in the male or female organs of certain flatworms. In many cases...

PMC 7542873. PMID 34191878. Jia, Z.-Y.; Jiang, Z. G.; Wang, Z.-W. (2001). "Copulatory behavior in captive masked palm civets, Paguma larvata". Folia Zoologica...

Sexual selection in scaled reptiles studies how sexual selection manifests in snakes and lizards, which constitute the order Squamata of reptiles. Each...

copulatory openings facing laterally and situated under a wide anterior flap. The posterior margin is sclerotized and W-shaped, with long copulatory ducts...

legs of the male hang loosely, and intromission takes the form of a "copulatory jump". Gestation probably lasts around 8 months, although some studies...

and females are often longer and stouter. Males also have a prominent copulatory bursa posteriorly. N. americanus is generally smaller than A. duodenale...

brown and yellow-brown. Its copulatory organs are distinctive, particularly the corners of the most visible female copulatory organ. The male has a ribbon-like...

particularly hard to identify, although the large copulatory openings on its the external part of its copulatory organs, or epigyne, and, internally, its relatively...

Press. ISBN 978-1-139-45742-2. Dewsbury, Donald A. (1972). "Patterns of Copulatory Behavior in Male Mammals". The Quarterly Review of Biology. 47 (1): 1–33...

name, which is derived from a Latin word for "light". The female has copulatory organs that are similar to other species in the genus, with a septum,...

durations (averaging 36 minutes), with the latter involving a copulatory tie. A copulatory tie usually applies to mammals, such as canids and felids, where...

strategy for Drosophila. The benefits include both pre and post copulatory mating. Pre-copulatory strategies are the behaviours associated with mate choice...

302–318. doi:10.1093/zoolinnean/zlz100. Wemmer, C.; Murtaugh, J. (1981). "Copulatory behavior and reproduction in the Binturong, Arctictis binturong". Journal...

the female grows increasingly active throughout repeated copulations, copulatory silk wrapping is assumed to be an example of a self-defense mechanism...

of the cribellum Conductor: see palpal bulb Copulatory duct: An internal tube (duct) from the copulatory opening through which sperm enters the female;...

Tail of adult male of A. cantonensis, showing copulatory bursa and long spicules (arrows), scale bar is 85 μm...

during copulation itself and in some species, like the cat, during pre-copulatory behavior. The lordosis reflex arc is hardwired in the spinal cord, at...

intense signal, leading to elevated hormone levels in the female producing copulatory behaviour. Although the behavior in these two examples is the same, the...

Lim (2015) described the genus on the basis of the arrangement of the copulatory apparatus and wrote: "in species of Teraplectanum, spermatozoa stored...

film, the film explores the often blurry nature of gender roles in the copulatory ritual. A naked woman is seen sitting on a chair in a room with view....

patches that converge to the back of the spider. Otherwise, it is the copulatory organs that most identify the species. The male has a distinctive relatively...

contracts, ejecting fluid causing the eversion of the copulatory bursa. The shape of the copulatory bursa grips the female during copulation. There are...

legs are fatter than the others. Its copulatory organs are distinctive with spiralling ridges around its copulatory openings and broader seminal ducts than...

causing a complete loss of copulatory behaviors. Conversely, electrical stimulation of this area triggers male copulatory behavior, as measured by decreases...

hooked; or as cupped blades; more complex arrangements are common in copulatory spicules. In several species of solenogaster, sclerites change morphology...

abdominal pleopods may be modified in the male to form gonopods (accessory copulatory appendages). The appendages of the last segment are typically flattened...

flea has burrowed most of its body into the skin. Only the anus, the copulatory organs, and four rear air holes in fleas called stigmata remain on the...

vocalization, bird calls and bird songs Dolphin vocalizations Female copulatory vocalizations, produced by females while mating Voice (phonetics), the...

Zhang, Z. (2003). "Influence of Operational Sex Ratio and Density on the Copulatory Behaviour and Mating System of Brandt's Vole Microtus brandt". Acta Theriologica...

doi:10.1242/jeb.02104. PMID 16513934. Huber, Bernhard A. (October 1995). "Copulatory Mechanism in Holocnemus pluchei and Pholcus opilionoides, With Notes on...

evolving enlarged, complex palpal bulbs which break off inside the females' copulatory openings after copulation. The broken palps serve as mating plugs, which...

the same sex at bay. The estrus period can last as long as 20 days. The copulatory tie characteristic of mating in most canids has been reported to be absent...

men may be especially interested in ensuring their partner attains a copulatory orgasm. Due to this attentiveness, women may fake an orgasm in order to...

behavior to increase pollination, or when genes in a peacock affect the copulatory decisions of peahens, again, the phenotype is being extended. Genes are...

the spinnerets. The epigyne features characteristic pockets with vast copulatory openings and strongly sclerotized internal canals forming several loops...

pseudotentacles (white arrows) (B). Histological sections of the male and female copulatory organs, respectively (C-D). Sagittal reconstruction of the reproduction...

is about 5210 μm long. The specimen, a male, was found to have a large copulatory organ. The find was popularized as being the oldest known penis. It is...

organs in the male copulatory apparatus and a penis stylet with a split tip, as well as the lack of a Lang's vesicle in the female copulatory apparatus. The...

Sauer & Sauer (1966) is a vocalization heard on nest sites during the pre-copulatory courtship. Once a nesting site is established the male makes similar "booming"...

S2CID 22001121. Steel, E. (December 1982). "Testosterone-dependent non-copulatory behaviour in male hamsters (Mesocricetus auratus)". The Journal of Endocrinology...

encircling the body and one mid-dorsal stripe, both around the same width. The copulatory apparatus lacks a permanent penis, but the male atrium is lined by multiple...

distinctive top half that is black or brown, the remainder being yellow. Its copulatory organs are distinctive, particularly the male's very short embolus, which...

adult female insects include internal structures for receiving the male copulatory organ and his spermatozoa, and external structures used for oviposition...

structure is modified as an ovipositor while the male's is adapted as a copulatory structure. The female has oviducts that carry the developed eggs from...

system useful in species identification. At the base of the oviduct is a copulatory duct — termed Laurer's canal — which is analogous to a vagina. Oocytes...

bears two squamodiscs, one ventral and one dorsal. The sclerotized male copulatory organ, or "quadriloculate organ", has the shape of a bean with four internal...

females’ connective tissue in the copulatory tract increased in thickness. However, females with a thicker copulatory tract correlated positively to the...

been confirmed in E. murinus. Females gain the direct benefit of a post-copulatory high-protein meal when they consume their mates, along with the indirect...

House NZ. ISBN 978-1869413279. Gwynne, Darryl T. (2005). "The secondary copulatory organ in female ground weta (Hemiandrus pallitarsis, Orthoptera: Anostostomatidae):...

species with different copulatory organs may co-occur in the same microhabitat, whereas congeners with identical or very similar copulatory organs are spatially...

Descriptions of Five New Species and Comparative Morphology of the Male Copulatory Apparatus". Bulletin of the American Museum of Natural History. 448 (1):...

sexually dimorphic anal fins as a part of courtship. These anal fins are copulatory organs, with the male fins being 'wider and rounded' and the females described...

system in animals has been thought to lower levels of some pre and post copulatory competition methods. Because of this reduction in competition in some...

ovaries placed anteriorly to the male copulatory apparatus, close to the brain or to the pharynx. The copulatory apparatus has a series of paired glandular...

morphology of hooks, a dextral vaginal opening, and details of the male copulatory organ. The species was found on fish collected in the Rio Lacantún basin...

anterior and two posterior branches. The posterior branches unite behind the copulatory apparatus and form a single branch. The reproductive system has a pair...

female's body. Sperm is injected via one or other of the two separate copulatory openings and enters the spermathecae. Egg release and fertilization occurs...

sperm, which are carried by a system of ducts to the cirrus, an eversible copulatory organ that usually has a hypodermic system of spines and a holdfast system...

highly based on their internal anatomy, especially the anatomy of the copulatory apparatus. As a result, species with old descriptions that were never...

Carico, J. E. & P. C. Holt. 1964. A comparative study of the female copulatory apparatus of certain species in the spider genus Dolomedes (Pisauridae:...

pairs. Throughout the breeding season, these pairs engage in a series of copulatory displays, which are initiated by either sex and often involve preening...

Luehdorfia japonica including the role of the sphragis. This is a post-copulatory plug, attached to the abdomen of the female after copulation preventing...

sexually, but will prevent other males from mating with her by inserting copulatory plugs. For black-tailed prairie dogs, the resident male of the family...

is hard to distinguish from other members of the genus, although its copulatory organs are distinctive. It has a large, heavily sclerotized epigyne that...

The female has a distinctive epigyne, the visible external part of its copulatory organs, that has a wide plate. This distinguishes the species from the...

was to repeatedly roll a huge stone up a hill only to have it roll back down, because the circular copulatory ducts are like Sisyphus's cyclic mission."...

protruded genitalia, located on the posterior tip of the abdomen. This pre-copulatory stage is referred to as the dorsal stage because the male sits dorsally...

will attempt to initiate pre-copulatory mate guarding to limit other males' access to the mated female. These pre-copulatory pairs are often initiated around...

It can be distinguished from other species in the genus by its unusual copulatory organs. The male has simple pedipalps with a thin, short embolus that...

an average of 7.72 days. Estrus occurs again after a litter is born. Copulatory behavior in the marsh rice rat is similar to that in laboratory brown...

male ricinuleids, the third pair of legs are uniquely modified to form copulatory organs. The shape of these organs is very important for taxonomy and can...

that extends past the tibia apex. In females, the seminal valve of the copulatory apparatus can be found in the anterior half of the dorsal epigynous area...

protrusions on the plates anterior margin, and an epigynum featuring lengthened copulatory ducts which coil on the spermathecae's basal side. Four species belonging...

model for studying the evolution of genitalia because of their peculiar copulatory mechanism. The thick-walled egg sacs are guarded by the mother until the...

species in its genus. Male search and capture strategies may influence copulatory success, and human-induced changes to the habitat can influence monarch...

between the two. The legs are mainly brown with yellowish tarsi. Its copulatory organs are distinctive. The male has a short embolus that follows the...

depression to the back of its epigyne, the external part of its copulatory organs, and two copulatory openings to the front. The spider was first described in...

ISBN 978-0-7136-7602-0. Hagemeyer, Natasha (2016). "Sex-obsessed or just sociable? Non-copulatory displays in the hamerkop". Frontiers in Ecology and the Environment. 14...

are normally shown in the dominant position, often being involved in copulatory postures. Kali is the most glaring exemplar of this idealism as she is...

backwards-pointing spines along most of its length. Fossa mating includes a copulatory tie, which may be enforced by the male's spiny penis. The tie is difficult...

known to oviposit at 1 to 11 inches in the soil below the surface. Post-copulatory behaviors were also present as the male beetle was observed to hold onto...

phylogeny and a new concept of Seguenzioidea: independent evolution of copulatory organs in the deep-sea habitats". Zoologica Scripta 37(1): 1-21. doi:10...

remained motionless for several minutes. This behavior resembles pre-copulatory behaviors between male and female sharks, and in both cases the biting...

Brewer, Gayle; Hendrie, Colin A. (18 May 2010). "Evidence to Suggest that Copulatory Vocalizations in Women Are Not a Reflexive Consequence of Orgasm" (PDF)...

tibial apophysis. Females can be easily distinguished by the inconspicuous copulatory openings, located beneath the inner edges of the lateral lobes. The male...

contrasting black and white chin markings are displayed. Copulatory scream At the copulatory tie, the female emits a repetitive sequence of loud, high-pitched...

mates with her. Copulation lasts less than thirty seconds, after which a copulatory plug will form from the male's semen. Females typically remove this plug...

bears two squamodiscs, one ventral and one dorsal. The sclerotized male copulatory organ, or "quadriloculate organ", has the shape of a bean with four internal...

Ctenoptychius or as a genus of edestid, although it more likely represents the copulatory organ of an amphibian. Fossils of Euctenius have been uncovered in Scotland...

skin folds around the cloaca differ. The male coelacanth has no distinct copulatory organs, just a cloaca, which has a urogenital papilla surrounded by erectile...

after 5.5 cm from the anterior end, they start to become sparser. The copulatory apparatus includes a permanent penis papilla that occupies most of the...

"Normally occurring intersexuality and testosterone induced plasticity in the copulatory system of adult leopard geckos". Horm Behav. 47 (4): 439–45. doi:10.1016/j...

As well as its larger size, the species can be distinguished by its copulatory organs. The split at the end of the appendage on the pedipalp tibia marks...

Copulatory apparatus of Hausera hauseri showing the common ovovitelline duct (cod) perpendicular to the female genital duct (dgf)...

way that the spider's copulatory openings are at the back of her epigyne, the external visible part of the spider's copulatory organs. Phintella africana...

ISBN 978-0-19-971703-3. Brennan, Patricia L.R.; Orbach, Dara N. (2020). Copulatory behavior and its relationship to genital morphology. Advances in the Study...

the hairy palpal bulb while the female has complex highly sclerotized copulatory ducts and a large pocket in the epigyne. These distinguish the species...

the small transparent scales covering the body, males by the lack of copulatory suckers. The occurrence of the genus Yunkeracarus in North America (Acarina:...

found in the depths of the buccal capsule. Males are 8–11 mm long with a copulatory bursa at the posterior end. Females are 10–13 mm long, with the vulva...

yellow legs. The spider is similar to others in the genus. However, its copulatory organs are distinctive. The male lacks the ventral tibial apophysis normally...

identification used in the past has been close observation of distinctive copulatory structures of males, (although this method is now thought by some entomologists...

organs are found within the cloaca of reptiles. Most male reptiles have copulatory organs, which are usually retracted or inverted and stored inside the...

sclerotized flaps at the top of the copulatory openings in the female epigyne. This, along with the shape of the male copulatory organs with their distinctive...

transparent skin highlights the minor differences such as the different copulatory accessories. Argulus japonicus is native to Asian countries, where it...

from its clypeus. The female has significant sclerotization around the copulatory openings in its epigyne and wide insemination ducts. The male has a small...

PMID 21651521. Paczolt, Kimberly A.; Jones, Adam G. (2010-03-18). "Post-copulatory sexual selection and sexual conflict in the evolution of male pregnancy"...

distinguished by its copulatory organs, particularly the existence of a triangular lobe on the palpal bulb on the male and the way that the copulatory openings are...

epigyne is clear, the spermathecae are longer, thinner, and arc-shaped, the copulatory canal is shorter, and the abdominal pattern is different. "Synagelides...

and located posteriorly, shorter than one-quarter the length of their copulatory ducts, with the anterior part fist-like and bases close to each other...

priapiumfish, males have modified their pelvic structures into a spiny copulatory device that grasps the female during mating. Pelvic fin skeleton for Danio...

pattern of arrows and spots. The spider has brown and yellow legs. Its copulatory organs are unusual and help identify it. The male has a distinctive rounded...

eye of the observing female constantly. Lastly, what is called a post-copulatory tumble occurs, where, after mating, the male and female tumble towards...

shells, and they may mate again. In some species the male performs post-copulatory behavior until the female has the eggs on her legs (pleopods). Hermit...

continuously releases a venom that contains a sex pheromone that induces copulatory behavior in males. In wasps such as Polistes exclamans, venom is used...

"Male house mice evolving with post-copulatory sexual selection sire embryos with increased viability: Post-copulatory sexual selection and embryo viability...

spider has distinctive copulatory organs that help distinguish the species from others in the genus. The female has long copulatory ducts, longer than others...

produced by adults and larger nymphs; and aggressive, courtship and copulatory sounds produced by adult males. Henschoutedenia epilamproides has a stridulatory...

pheromone release by both the male and female moths as well as many other copulatory rituals that function to prevent interspecies mating. Copulation consists...

dumb-bell-shaped marking on, and uncoiled ascending and descending portions of the copulatory duct of the epigynum of females, and by the short tibial apophysis and...

fovea, or indentation, in the centre of the carapace. It has distinctive copulatory organs. The female has a large depression in the centre of its epigyne...

adults, which are usually abundant in early Spring, are known to form copulatory swarms, hence the term lovebug. Once fertilized, the females lay their...

members of the genus, although its copulatory organs are distinctive. The external visible part of the female's copulatory organs, its epigyne, is large and...

The parenchymal longitudinal musculature is very weak or absent. The copulatory apparatus has an intra-antral penis papilla in some species and the ovovitelline...

membrane across the vagina opens to allow insemination. After mating, a copulatory plug forms, which is expelled about 48 hours later. Gestation lasts around...

; Anderson, M. J. (2002). "Sexual selection, seminal coagulation and copulatory plug formation in primates". Folia Primatol. 73 (2–3): 63–69. doi:10.1159/000064784...

Macrobdella decora. A diagnostic characteristic is the arrangement of the copulatory gland pores. The species can grow up to 66 millimetres (2.6 in) long....

mosaic-like pattern of brown dots at the very rear. The spider has distinctive copulatory organs. The male has an irregular-shaped palpal bulb with characteristic...

chelicerae typical of the genus. The spider can be best distinguished by its copulatory organs, and particularly the existence of one small bump near to the sole...

clearly seen with a swelling at the entrance to the cloaca caused by the copulatory organs in males. Females lay a maximum of two hard-shelled eggs at any...

similar to the related Afraflacilla tarajalis but can be identified in its copulatory organs. The female has two pockets in its epigyne and long looping insemination...

vigorous in its delivery of sperm. Early researchers thought that because copulatory movement is controlled by a ganglion in the abdomen, not the head, removal...

adult female insects include internal structures for receiving the male copulatory organ and his spermatozoa and external structures used for oviposition...

2018-10-24. Fitzsimmons, Jay M.; Fitzsimmons, Lauren P. (2010). "Pre-copulatory behavior of the wheel bug Arilus gallus (Hemiptera: Reduviidae)". Entomological...

stage of the estrous cycle. Mating can be confirmed by the presence of a copulatory plug in the vagina up to 24 hours post-copulation. The presence of sperm...

spiders have a grey-white abdomen. Its copulatory organs are very similar to the related Tasa davidi. The male's copulatory organ has a spike that has a serrated...

hypothesis of multiple matings. There is evidence to suggest that the post-copulatory guarding exhibited by Gerris buenoi - and other species of Gerris - is...

bears two squamodiscs, one ventral and one dorsal. The sclerotized male copulatory organ, or "quadriloculate organ", has the shape of a bean with four internal...

It can be distinguished from other species in the genus by its unusual copulatory organs. The male has an anvil-shaped protrusion, or apophysis, on its...

similar to the one found in the genera Choeradoplana and Luteostriata. The copulatory apparatus usually lacks a permanent penis papilla, i. e., the penis is...

small teeth to the front and one to the back. The spider has distinctive copulatory organs, with the male have a coiled embolus and the female a small white...

Archived from the original on 2015-12-24. Retrieved 2010-12-08. The copulatory gaze, looking lengthily at a new possible partner, ... Maureen Dowd quoting...

cristatus. The anterior borders each bear a low but distinct tooth, and the copulatory ducts vary considerably in length. Males have a total length of 3.8–5...

comprising a series of unusual characters (e.g. secondary gonochorism, lack of copulatory organs, asymmetric radulae). Most acochlidians live interstitially in...

In female canids, the vagina contracts during copulation, forming a copulatory tie. Female cetaceans have vaginal folds that are not found in other mammals...

maturity in about two and a half months.[citation needed] After mating, a copulatory plug is formed in the female's reproductive tract. The spinifex hopping...

lighter pattern. The spider has generally brown legs. It has distinctive copulatory organs. The female has a large membrane in the centre of its epigyne while...

possesses two eyes. Spots indicate the locations of its gonads, pharynx and copulatory bulb. Unicellular papillae are present along its body margin. Tyler, S...

legs are generally brown. Only the male has so far been described. Its copulatory organs are similar to others spiders in the genus. It has a single thin...

vulnerable to females. Therefore, they are more likely to alter their copulatory behavior depending on their perceived risk of being cannibalized. These...

from front to back. The female has unusual copulatory organs with a small epigyne and S-shaped copulatory openings. The male was first identified in 2000...

Alissa G.; Hebets, Eileen A. (2016). "Benefits of size dimorphism and copulatory silk wrapping in the sexually cannibalistic nursery web spider, Pisaurina...

parenchymal longitudinal musculature is restricted to the ventral region. The copulatory apparatus has a long and folded chamber in the male atrium, without a...

bonding can occur 2–3 months before actual copulation takes place. The copulatory tie can last 5–45 minutes. A female entering estrus attracts males by...

has a distinctive shape of its appendages, or tibial apophyses, on its copulatory organs that helps distinguish it from related species. The spider was...

care. In many spider species that are monogynous, the males have two copulatory organs, which allows them to mate a maximum of twice throughout their...

the back and two small teeth to the front. The female has distinctive copulatory organs with two depressions divided by a ridge in the middle of its epigyne...

freshwater planarians are related to the anatomy of the eyes and the copulatory apparatus. The eye cup in Dugesiidae is composed of several retinal cells...

Prokelisia (Homoptera: Delphacidae): morphology of female genitalia and copulatory behaviour". Journal of the Kansas Entomological Society. 63 (2): 267–278...

at their distal tips. This snail has no eyes. There is no specialised copulatory appendage. The foot is red and large, and the snail cannot withdraw the...

darker, nearly black. A hairless scutum covers much of the abdomen. The copulatory organs are unique amongst spiders in the genus, particularly the long...

"Genetic determination of paternity in captive grey mouse lemurs: pre-copulatory sexual competition rather than sperm competition in a nocturnal prosimian...

been shown to have a strong influence on the female's time to enter a copulatory position. Higher rates of shuddering correspond to greater female reluctance...

1947.tb00484.x. Koilraj, B.J.; Agoramoorthy, G.; Marimuthu, G. (2001). "Copulatory behaviour of Indian flying fox Pteropus giganteus". Current Science. 80...

including mangrove creeks and inland rivers except for acidic waters. A pre-copulatory form of ritualised behaviour which involves olfactory and tactile cues...

only occurs in cats, but occurs with some frequency. It appears that non-copulatory ovulation may be possible in response to a variety of visual, auditory...

body length while females reach 4.7-5.0 mm. The male has a distinctive copulatory organ with an embolus that is more strongly undulate than related species...

Males have testes that are between 2.20 and 3.00 mm by 0.50 to 0.80 mm, copulatory bursas used to hold on to the female during copulation, and eight cement...

with the females responding in their own squeaks. They also display copulatory biting, with stronger bites resulting in higher fertilization success...

genus. This phallus is associated with prolonged matings enforced by a copulatory tie[clarification needed]. Baby vasas possess pads on their beaks which...

secondary reproductive organs such as the albumen gland, spermoviduct, or copulatory structures. Fretter, V.; Graham, A. (1964). "CHAPTER 4 - Reproduction"...

the males defend territories. In some species, males also exhibit post-copulatory behavior in which the male specifically seeks out and shakes the female's...

posteriorly. The anus can be found in the terminal end, and they have a large copulatory pseudobursa on each side. The females of T. spiralis are about twice the...

with a dark streak on them. It has legs that are brown and yellow. Its copulatory organs help differentiate the species from others in the genus. The male...

may include male claspers, altered genitalia (e.g. spiky genitals) and copulatory plugs (i.e. mating plugs). Physiological adaptations may consist of toxic...

The variety of male copulatory organs in species of Dactylogyrus...

investments in precopulatory traits, larger hyoids but smaller testes, or post-copulatory traits, larger testes and smaller hyoids. The hyoid of Alouatta is pneumatized...

of the palpal bulb). Females can be distinguished by their diverging copulatory ducts visible on the proximal part of the scape of the epigyne. Natural...

On two Heptathela species from southern Vietnam, with a discussion of copulatory organs and systematics of the Liphistiidae (Araneae: Mesothelae). Revue...

be identified as members of this species by unusually long and flimsy copulatory ducts. Females range in size from 2.05 to 2.40 millimetres (0.081 to 0...

legs are yellow. The male has a distinctively simple projection on its copulatory organs called a tibial apophysis, the length and width of which distinguishes...

castaneus and Pachyballus flavipes. It is necessary to look at the spiders' copulatory organs to distinguish them from others in the genus, particularly the...

is named. and the female's short, wide epigyne that has two large oval copulatory openings. Stenaelurillus specularis was first described by Wanda Wesołowska...

bioluminescent and that their first pair of pleopods is not modified as copulatory tool organs. Also, their eyes are smaller than those of the Euphausiidae...

operate subsequent to copulation are less well known. In guppies, a post-copulatory mechanism of inbreeding avoidance occurs based on competition between...

related families have an external groove that carries sperm from the copulatory opening (gonopore) to the (ovipore) and are termed Exoporian. Monotrysian :...

species of Ancyrocephalus but can be differentiated by details of the male copulatory organ and of the haptor. The species was found on fish collected in the...

operate subsequent to copulation are less well known. In guppies, a post-copulatory mechanism of inbreeding avoidance occurs based on competition between...

significant part of the display. Pre-copulatory behaviour consists of mutual head pumping, and post-copulatory display by the male may vary from no perceptible...

and the female scapus tightly interlock leading to a highly sensitive copulatory position. Larinia jeskovi is a species within the Larinia genus which...

flaps. It is similar to the related Aelurillus aeruginosus apart from the copulatory organs. Aelurillus subaffinis was first described by Ludovico di Caporiacco...

hard plates known as scuta, the rear one shaped like a trapezium. Its copulatory organs are distinctive. The male has a thinner pedipalp and a more compact...

Male mammals often lick the genitals of females before copulation. Post-copulatory genital grooming often occurs in male rats and prosimian primates. This...

with more favorable characteristics for survival, possibly through post-copulatory sexual selection. It is not uncommon for females to undergo up to three...

bears two squamodiscs, one ventral and one dorsal. The sclerotized male copulatory organ, or "quadriloculate organ", has the shape of a bean with four internal...

bears two squamodiscs, one ventral and one dorsal. The sclerotized male copulatory organ, or "quadriloculate organ", has the shape of a bean with four internal...

interpreted as 'delirium' and 'phantasmagoria' of its child protagonist; the copulatory marathon of Polish peasants was seen as a dark reveal of the primitive...

; Anderson, M. J. (2002). "Sexual selection, seminal coagulation and copulatory plug formation in primates". Folia Primatol 73: 63–69. Harcourt, A. H...

Langelurillus kenyaensis and Langelurillus krugeri by the design of the female copulatory organs, particularly the length of the seminal ducts. Langelurillus primus...

underneath. It can be distinguished from other members of the genus by its copulatory organs. The male has a apophysis in the middle of its palpal bulb that...

Kuusipalo L, Lundgren T, Partanen J, Kekäläinen J (August 2020). "Post-copulatory genetic matchmaking: HLA-dependent effects of cervical mucus on human...

among members of the clade is the presence of hard stylet in the male copulatory organ. Originally the clade Macrostomorpha was divided into two groups:...

Magneto Voice; Disney+ special 2026 The Bad Guys: The Series D.B. Cougar Voice; 3 episodes 2026 Mating Season Alan Voice; episode: "The Copulatory Tie"...

by its copulatory organs. The female has copulatory openings at the rear of its very small epigyne, the visible external part of its copulatory organs...

black. The male can be distinguished from others in the genus by its copulatory organs, particularly the shape of the projection from its palpal tibia...

flea has burrowed most of its body into the skin. Only the anus, the copulatory organs, and four rear air holes in fleas called stigmata remain on the...

several males that may quarrel among themselves. Mating results in a copulatory tie that lasts for several minutes, as it does with all other canids....

musculature and strong parenchymal musculature forming a ring zone. The copulatory apparatus has a well-developed conical penis papilla and the female atrium...

bears two squamodiscs, one ventral and one dorsal. The sclerotized male copulatory organ, or "quadriloculate organ", has the shape of a bean with four internal...

and the third leg is longer and thicker than the rest. Externally, the copulatory organs are typical for the genus, particularly the female's. Internally...

eye field, which have a scattering bristles. The spider has distinctive copulatory organs, although the female is similar to the related Pochyta maddisoni...

Research, 48:294–297. Rosenfield, R. N., Bielefeldt, J. & Cary, J. (1991). Copulatory and other pre-incubation behaviors of Cooper's Hawks. Wilson Bulletin...

to large, the spiders resemble Hyllus, but differ in the design of its copulatory organs. In 2015, the Canadian biologist Wayne Maddison listed the genus...

all hairy. The spiders have generally brown mouthparts. The spiders' copulatory organs are distinctive and help distinguish the species from others in...

the males appear to have "pointed" abdomens, which are actually their copulatory organs, while females have more rounded abdomens. Newly hatched nymphs...

female has a light brown abdomen marked with large spots and stripes. The copulatory organs are distinctive to the species. The female has a epigyne that lacks...

hairs. The mouthparts include large chelicerae and a short fang. Its copulatory organs are unusual, including the a very small palpal bulb enclosed in...

interaction may allow the female to exert some level of control over the copulatory actions of the male, since contact has been observed specifically when...

relationship between sterility and the copulatory organ in poultry in his article, "Sex Sterility and the Diminutive Copulatory Organ in Domestic Fowl." Cloacas...

its size, it is distinguished from other members of its genus by its copulatory organs, particularly the shape of its tibial apophysis, which has a wide...

middle while the abdomen has a dark brown stripe. Otherwise, it is its copulatory organs that most distinguish the species from others in the genus. The...

Harney, R. Naylor, M. Siva-Jothy, Female-limited polymorphism in the copulatory organ of a traumatically inseminating insect. American Naturalist, Vol...

there is a red mark. At the extremities of the pedipalps, males have the copulatory organs. Legs are yellow or red-brown. In males they are red and black...

"squeak", or produces an atonal "cackle" during copulation. Males have no copulatory vocalizations. Females engage in same-sex mounting unrelated to the mating...

legs are black, the remainder mostly light brown. It has distinctive copulatory organs, particularly the male's wide forked embolus at the top of its...

Apollonio, Marco; Festa-Bianchet, Marco; Mari, Franco (1989). "Correlates of copulatory success in a fallow deer lek". Behavioral Ecology and Sociobiology. 25...

bears two squamodiscs, one ventral and one dorsal. The sclerotized male copulatory organ, or "quadriloculate organ", has the shape of a bean with four internal...

on the back of its chelicerae. It is most easily distinguished by its copulatory organs. The male has a palpal bulb that is particularly wide and contains...

pattern on the abdomen. It also differs in its copulatory organs, particularly the sioting of the copulatory openings on the female epigyne and the shorter...

pedipalps are yellow and its spinnerets are grey. The spider has distinctive copulatory organs, particularly the short coiled embolus on the male and the sclerotized...

guanine spots; the epigyne bears a triangular septum with closely spaced copulatory openings. Diphya vanderwaltae is listed as Data Deficient by the South...

bears two squamodiscs, one ventral and one dorsal. The sclerotized male copulatory organ, or "quadriloculate organ", has the shape of a bean with four internal...

color that is covered in clay-brown spots that are more dense near the copulatory apparatus. The ventral side is a sand-yellow color. It is distinguished...

female attempts to fly higher than the male, which can be seen as an anti-copulatory behavior, before landing. After that, the male D. iulia continues to beat...

the anterior end behind the brain. The pharynx is bell-shaped. The male copulatory apparatus is simple, with a forward-directed seminal vesicle behind the...

species of Bdellocephala lack a well-developed penis papilla in the male copulatory apparatus, which is uncommon in freshwater planarians. Bdellocephala angarensis...

on muddy bottoms of the continental shelf at depths from 6–143 m. The copulatory organ is absent in this species. The gonads of hagfishes are situated...

small invertebrates such as shrimp or worms. Male band cusk eels lack copulatory organs. As a result, eggs are externally fertilized and kept together...

bears two squamodiscs, one ventral and one dorsal. The sclerotized male copulatory organ, or "quadriloculate organ", has the shape of a bean with four internal...

noises by rubbing its forelegs against small hairs under its eyes. The copulatory organs are distinctive for the species. The male has a characteristically...

lighter and darker patches that differ in detail between the sexes. The copulatory organs are unique amongst spiders in the genus. The male has a shorter...

unique shape, being particularly large with a single long fang. The male's copulatory organs are also unusual. The palpal bulb has an unusually shaped tegulum...

bears two squamodiscs, one ventral and one dorsal. The sclerotized male copulatory organ, or "quadriloculate organ", has the shape of a bean with four internal...

bears two squamodiscs, one ventral and one dorsal. The sclerotized male copulatory organ, or "quadriloculate organ", has the shape of a bean with four internal...

back. It can be distinguished by its epigyne, the external part of its copulatory organs, which lacks the pouches that can be seen on other species. Internally...

dark patch (epigyne) on the underside of her abdomen that includes the copulatory organs. Male genital openings can be found at the same location, but remain...

Females are highly polyandrous; males engage in extended periods of post-copulatory mate guarding. The adult females lay their eggs on the leaves of dogbane...

genus, but the copulatory organs are otherwise similar to other Aelurillus spiders, having a central pocket and wings alongside the copulatory openings. Aelurillus...

and white hairs. Its leg spines are brown. The spider has distinctive copulatory organs. The male has large yellow pedipalps, sensory organs near the front...

the two depressions in the female epigyne, external visible part of its copulatory organs, and the male's straight embolus and the hooked end to the projection...

has been discovered to have a male reproductive system that lacks the copulatory organ. Adults are primarily found in estuaries and marine waters, to a...

formosus and Menemerus transvaalicus but differs in the design of its copulatory organs. The male has a short embolus with a longer lamella, which is recalled...

(3⁄8–13⁄16 in) long, and displays the distinct feature of a well-developed copulatory bursa, containing an asymmetrical dorsal lobe and a Y-shaped dorsal ray...

and in the French language, the term poche copulatrice d'Audouin (the copulatory pouch of Audouin) is another name for the spermatheca. Histoire des insectes...

skin folds around the cloaca differ. The male coelacanth has no distinct copulatory organs, just a cloaca, which has a urogenital papilla surrounded by erectile...

with an atrium separated by a distinct septum. The copulatory openings are wide, and the copulatory ducts are strongly sclerotized with rounded receptacles...

nuzzles the female's fur. They may circle each other and fight briefly. The copulatory tie lasts roughly four minutes. Towards the end of estrus, the pair drifts...

bursa copulatrix (sperm digestion organ) becomes closed off, and the copulatory canal (leading to the sperm storage) is opened. This reconfiguration allows...

nursing the first) or breed once every 6 months. Males sometimes deposit a copulatory plug to help assist during mating. Individuals use rainfall and changing...

The female has a distinctive arrangement of a deep pocket and separated copulatory openings in the epigyne. Stenaelurillus furcatus was first described by...

fang. It can be distinguished from other spiders in the genus by its copulatory organs. It has a small pedipalp with a rounded palpal bulb and a small...

(e.g. 'homosexual tandem running' in termites), same-sex courtship or copulatory behavior occurring over a short period of time (e.g. 'homosexual mounting'...

slightly convex body with a broad creeping sole and very large eyes. The copulatory apparatus has a large chamber with folded epithelium in the male atrium...

11, 2016. Dewsbury, D. A.; Ward, S. E. (1985). "Effects of albinism on copulatory behavior and sperm competition in prairie voles (Microtus ochrogaster)"...

copulation. The cerebral ganglion might have an inhibitory effect on copulatory reflexes. Once it is removed by removing the head, copulation might even...

reorganization of the reproductive organs including loss of the elaborate copulatory organ. Strubellia, and other Acochlidiidae, are thought to have an amphidromous...

mating partner. This is done by a needle-like stylet, which is the male copulatory organ. The stylet has a rigid and pointed distal thickening, as well as...

hectocotylus-using pygmy squid (Idiosepius paradoxus), which completes copulatory bouts in about 4–5.5 seconds. This behavior of mating near the seafloor...

bears two squamodiscs, one ventral and one dorsal. The sclerotized male copulatory organ, or "quadriloculate organ", has the shape of a bean with four internal...

include head-jerking, tail-waving, and chin-rubbing. The male aligns its copulatory organs (hemipenes) with the female in an average of 2 minutes and 45 seconds...

arc-shaped. The female epigyne has a pair of copulatory openings positioned bilaterally, with short copulatory ducts that are not visible from the dorsal...

courting, and the consummatory phase, during which highly stereotyped copulatory behaviors occur. The medial preoptic area of the brain is considered to...

Bukowski, Todd C.; Christenson, Terry E. (1997). "Natural History and Copulatory Behavior of the Spiny Orbweaving Spider Micrathena gracilis (Araneae,...

and pleasure as wealth. The fact that the passionate descriptions of copulatory acts in Fanny Hill are written by a man from the point of view of a woman...

and the lack of a pocket on the epigynal and internal structure of the copulatory organs of the female. Icius bandama was first described by Wanda Wesołowska...

pocket in the epigyne and significant sclerotisation on the edges of the copulatory openings, which are also wider than other Plexippus spiders. Plexippus...

(4): 525–529. Correa, SM; Haran CM; Johnson PA; Adkins-Regan E (2011). "Copulatory behaviors and body condition predict post-mating female hormone concentrations...

its abdomen. The female has distinctive copulatory organs, including twice as many coils within its copulatory ducts than the related Goleba punctata....

The brain is perforated by the ducts of the frontal glands, and the copulatory apparatus has a common gonopore for both male and female parts, with the...

of its abdomen. The male has thick hairs on its clypeus. The spider's copulatory organs are similar in general layout to other spiders in the genus, particularly...

"female penis" and insisted to drop the definition of penis as "the male copulatory organ". Motivations for using the term “female penis” include that such...

palpal bulb and the female has S-shaped flaps on the epigyne and short copulatory ducts. The spider has a covering of light hairs, whiter on the female...

from others in the genus, particularly Menemerus tropicus. However, its copulatory organs are distinctive. Menemerus paradoxus is characterised by its large...

chevrons, the male has patches and dots. The male has a cymbium, part of its copulatory organs, that has a distinctive shape with a bulge at the end of its curved...

are brown, the front four being thicker and shorter than the rest. The copulatory organs are distinctive. The female has marked sclerotization to the edge...

grey or brown, with long legs in proportion to its body, and gaining copulatory organs on his pedipalps. He retains the orange markings on the latter...

raised. There are two types of slope posture, a pre-copulatory one and an ordinary one. The pre-copulatory behaviour of scaly-breasted munia includes a sequence...

this pattern that differentiates the spider from related species. The copulatory organs are also unique amongst spiders in the genus, particularly the...

coloration Sling Juvenile Sexually mature males also have palpal bulbs (copulatory organs) in place of their pedipalp tarsi. Mature males spin sperm webs...

two species. Females of F. yanqing also have a septum separating the copulatory openings, which are touching in F. valentine. The genus Funny was originally...

bears two squamodiscs, one ventral and one dorsal. The sclerotized male copulatory organ, or "quadriloculate organ", has the shape of a bean with four internal...

outer half of one of the left arms is hectocotylised – and ends in a copulatory pad rather than suckers. This is used for depositing a spermatophore inside...

directed dorsally. Females are characterized by very large, egg-shaped copulatory openings that are longer than wide and significantly wider than the median...

characterized by the presence of a well developed penis papilla in the copulatory apparatus, similar to the one in Bipalium, but with the ovovitelloducts...

All the spider's have yellow spinnerets. The spider has distinctive copulatory organs, with the male having a broad spade-like appendage on the palpal...

two along the edges, on the carapace. The female does not. It is the copulatory organs that enable the species to be differentiated from the related Hasarinella...

(Insecta: Calopterygidae). Behaviour, 146, 189-207. Alcock, John. “Post-Copulatory Mate Guarding by Males of the Demselfly Hetaerina Vulnerata Selys (Odonata:...

orange-brown legs. The epigyne has a distinctive central pocket and wide copulatory ducts. Neaetha maxima is a species of jumping spider that was first described...

differentiated from both Zygoballus tibialis and Zygoballus maculatus by the copulatory organs and the shape of the palpal bulbs. Zygoballus minutus was first...

brown band across its brownish-grey surface. They have brown legs. The copulatory organs enable the spider to be distinguished from other species in the...

under leaves) in the leaf litter. L. mariana has specific pre-copulatory and post-copulatory rituals. Males cannot force females to mate because the female...

underneath. It has a distinctive scutum. Its legs are yellow-brown. Its copulatory organs distinguish it from related spiders, particularly the triangular...

doi:10.1023/A:1007527111292. S2CID 21850377. Gordon, I. (1993). "Pre-copulatory behaviour of captive sandtiger sharks, Carcharias taurus". Environmental...

The spermathecae are round and visible through the cuticle, while the copulatory ducts are curved and the fertilization ducts are long and slender. Males...

numerous hairs forming radiating striae, the slender embolus in males, thick copulatory ducts in females, and wide posterior spermathecae in females. Males have...

being larger and featuring stridulatory apparatus. It has distinctive copulatory organs. The female has long winding insemination ducts and large spermathecae...

be a unique example in evolution of what would appear to be an ideal copulatory arrangement for a sedentary hermaphrodite, whether animal or lower plant...

mother. This finding suggests that sperm competition and/or pre- and post-copulatory female choice occurs. Female choice may increase the fitness of progeny...

of approximately 10 mm and can be identified by the widely separated copulatory openings with two depressions between them. The holotype male specimen...

bears two squamodiscs, one ventral and one dorsal. The sclerotized male copulatory organ, or "quadriloculate organ", has the shape of a bean with four internal...

through an externally attached spermatophore: Bundled sperm and post-copulatory mate guarding by male fishflies (Megaloptera: Corydalidae)". Journal of...

default references for interpreting the phylogeny of the genus. The post-copulatory displays of the common and green-winged teal are identical, but those...

having a sister-group relationship with the subfamily Geoplaninae. The copulatory apparatus lacks adenodactyls and a permanent penis papilla. There are...

(1975-09-01). "Mating behavior in halictine bees (Hymenoptera: Halictidae): III. Copulatory behavior and olfactory communication". Insectes Sociaux. 22 (3): 307–331...

ISBN 978-1-4757-6591-5. PMID 474288. Kincl FA (22 October 2013). "Copulatory Reflix Response to Steroids". In Dorfman RI (ed.). Steroidal Activity...

Claspers (external male copulatory parts) of a young Carcharhinus brevipinna...

darker, nearly black. A hairless scutum covers much of the abdomen. The copulatory organs are also unique amongst spiders in the genus, particularly the...

can be most easily distinguished from other spiders in the genus by its copulatory organs. The male has a distinctive notch on a long straight projection...

the feet and ankles of the Duke and Duchess of York, in an obviously copulatory position, with the Duke's feet enlarged and the Duchess's feet drawn very...

a pastel yellow color, turning whitish in the area of the pharynx and copulatory apparatus. Both extremities of the ventral side are brown. There is a...

parasites or their remains. Exposure of the cloaca is widespread in pre-copulatory displays of birds and has been related with high probability of transmission...

eyes occur along the whole body, covering almost the entire dorsum. The copulatory apparatus has a permanent conical penis occupying the entire male cavity...

mated with (also known as the Coolidge effect), and will often resume copulatory behavior when introduced to a novel sexual partner. Females also prefer...

based on the differences of their gonopods (appendages modified into copulatory organs) from that of the rest of the members of the genus Ocypode. It...

choice in other primates. In the grey mouse lemur Microcebus murinus, post-copulatory mate-choice is associated with genetic constitution. Fathers are more...

distinguish it from the related Menemerus animatus. Otherwise, it is its copulatory organs that most distinguish the species from others in the genus. It...

relatively small and simple with the copulatory openings situated side by side in the middle. The entrance to the copulatory openings are unusual as they have...

average age of maturity is 18 months. Copulation consists of a brief copulatory jump. Females give birth to one to three spotted young, known as fawns...

and the testes are ventral, between the pharynx and the penis. The male copulatory apparatus has a muscular prostatic vesicle and a tubular eversible penis...

bears two squamodiscs, one ventral and one dorsal. The sclerotized male copulatory organ, or "quadriloculate organ", has the shape of a bean with four internal...

with wide copulatory openings and small C-shaped spermathecae. The species has a distinctive mating plug, which covers the entire left copulatory opening...

the 20th century, gender was often used as a synonym for sex in its non-copulatory senses, especially outside the social sciences. David Haig, writing in...

similar to other species in the genus but can be distinguished by its copulatory organs. The male has a shorter embolus than other species. The female...

Kima reimoiser. To distinguish them, it is necessary to compare by their copulatory organs and particularly their spermathecae, which is this species has...

bears two squamodiscs, one ventral and one dorsal. The sclerotized male copulatory organ, or "quadriloculate organ", has the shape of a bean with four internal...

bears two squamodiscs, one ventral and one dorsal. The sclerotized male copulatory organ, or "quadriloculate organ", has the shape of a bean with four internal...

while the male has a pattern of white stripes. They have brown legs. The copulatory organs enable the spider to be distinguished from other species in the...

subterranean spider. It can be distinguished from its relatives by its copulatory organs, including the shape of the female's epigyne and the presence of...

musculature and strong parenchymal musculature forming a ring zone. The copulatory apparatus has a well-developed conical penis papilla and two female ducts...

dark dorsal fin edge, a stripe through the eye, and an oversized male copulatory organ (gonopodium). Phallichthys amates is the largest and most widespread...

spider's legs are yellow or yellow-brown, with brown markings. The female copulatory organs include looping insemination ducts that lead to unusually complex...

receives the opening of the common oviduct from the dorsal side. The copulatory bursa that varies in size's duct is narrow, running above the atrium and...

Retrieved 9 October 2018. del Hoyo, J.; Collar, N. J. (2011). "Acrobatic copulatory display in the Black-crowned Barwing Actinodura sodangorum" (PDF). Forktail...

The male has brown legs, the female having yellow legs. The spider's copulatory organs are similar to other species in the genus but differ in specific...

PMID 23149404. S2CID 30248226. Paczolt KA, Jones AG (March 2010). "Post-copulatory sexual selection and sexual conflict in the evolution of male pregnancy"...

genus in its design of the epigyne, which has a wide pocket and short copulatory openings. Rhondes sarasini was first identified in 2016 by Barbara Patoleta...

fidelity within a year. Because mating occurs at sea and males have no copulatory organ, males must hover over females for a successful mating. Mate choice...

that are fused to hold their gut. Unlike most birds, the males have a copulatory organ, which is retractable and 20 cm (7.9 in) long. Their palate differs...

volupe and Ugandan Phintella nilotica, but can be distinguished by its copulatory organs. The female has distinctive bean-shaped spermatheca and the male...

calcarata and E. chimakothiensis from which could be distinguish by wider copulatory openings and insemination ducts jointed with spermatheca in sharp angle...

brown pedipalps. Its front legs are stouter and darker than the rest. Its copulatory organs are typical for the genus. The male has a thin coiled embolus that...

exposing the copulatory apparatus. He proceeds to attach to the copulatory apparatus and the butterflies reorient themselves into the copulatory position...

epigynal pocket positioned forward from the epigastric furrow, slit-like copulatory openings that are typically hidden beneath prominent sclerotized rims...

retrolateral surface. The female epigyne has a central structure with copulatory openings situated anteriorly and short, simple insemination ducts. H....

thoracica does not exhibit any pre or post-copulatory guarding in Europe, but it does have pre-copulatory guarding in more tropical areas, such as Zimbabwe...

epigyne has two fissure-like openings. It has a narrow shallow pocket and copulatory openings that are widely separated slits. These features of the epigyne...

burrows. The male's bulbus glandis enlarges during copulation, forming a copulatory tie which may last for more than an hour. The gestation period lasts 49–58...

September, with two or three young in each litter, occasionally four. A copulatory plug is present in the vagina during pregnancy and the young are fully...

(Serranidae). The genus was proposed for species with a spoon-shaped male copulatory organ with two to four concentric incomplete ridges in the base. The generic...

and its spinnerets are darker, nearly black. The male has distinctive copulatory organs with a very short coiled embolus. The female has not been described...

Holarctic. Since different species in this group are distinguished by copulatory organs that are only fully visible when mature, spiderlings of different...

that operate after copulation are less well known. In guppies, a post-copulatory mechanism of inbreeding avoidance occurs based on competition between...

to 3 hours. Although neotropical tortoise beetles do demonstrate pre-copulatory courtship, they do not exhibit any postcopulatory courtship and, upon...

copulation, the male grasps the female by the nape of the neck, with the copulatory tie lasting from 1.5 to 3.0 hours. Unlike other mustelids, the black-footed...

are brown. It is very different to other African Evarcha spiders. Its copulatory organs are distinctive, particularly the male's embolus, which is short...

dark brown while the abdomen has a yellow stripe. Otherwise, it is its copulatory organs that most distinguish the species from others in the genus. The...

Vestsjælland, Denmark FC Vilshofen, Germany Feline calicivirus Female copulatory vocalization Flow control valve Ford Crown Victoria Forest City Velodrome...

other species. Instead, it has a large and deep central depression. The copulatory openings are also unusual and the short insemination ducts and position...

open space between their territories. Fertilization is internal but non-copulatory and the female will often accept multiple spermatophores (from different...

wide range of spider species, both before and after copulation. Post-copulatory sexual selection involves sperm competition and cryptic female choice...

Therefore, there is a high risk of low fitness for males due to pre-copulatory cannibalism, which led to male selection of larger females for two reasons:...

basin of the lake, with remarks on the vagina and the heel of the male copulatory organ". Parasites & Vectors. 10 (1): 591. doi:10.1186/s13071-017-2460-6...

nuchal tentacles or tentacular knobs, the presence of a stylet in the male copulatory apparatus that is joined to the proximal seminal vesicle, and the lack...

until they are needed for fertilization. Sperm storage leads to the post-copulatory sexual selection process of cryptic female choice, which occurs when a...

around the tips. Male astacoid crayfish have small hook-like features, or copulatory stylets, that are used to hold onto a female while mating, prominent in...

are numerous testes and a single ovary. The copulatory organs include a sclerotised vagina and male copulatory organ, comprising a ring of 24-25 spines which...

hippocampa). Females are distinguished from other Alistra species by the folded copulatory ducts and oval spermathecae. The male holotype has a total length of 1...

including foot bones and speculated that the reduced hind limbs were used as copulatory guides. One thing that was noted, was that whale fossils were so common...

carapace, yellow abdomen and orange legs. The spiders have characteristic copulatory organs. The female has a characteristic semi-circular notch at the rear...

(dorsal and ventral). Females lack a scape in the epigyne, and their copulatory ducts are transparent with several tightly coiled loops before reaching...

distinguished by its epigyne, and particularly the tight coil at the end of the copulatory openings. Bacelarella dracula was first described by Tamás Szűts and Rudy...

external genitalia of the female are generally rectangular. The male copulatory organ has a very large distal lobe and features protrusions resembling...

found in the Americas. The genus Diporodemus is characterized by the copulatory apparatus having a large seminal bursa (or bursa copulatrix) connected...

1095-8312.2011.01777.x. ISSN 0024-4066. Gwynne, D. T. (2014). "A secondary copulatory structure in a female insect: a clasp for a nuptial meal?". Naturwissenschaften...

lighter streak running down much of the surface. The spider has distinctive copulatory organs. The female has unusually large spermathecae, or receptacles. The...

posterior branches of the gut. These intestinal branches also connect to the copulatory apparatus by anastomosis with the bursal canal. The genus Incapora contains...

long as the basal part, the tibial apophysis is slightly tapered, the copulatory opening is on the back of the epigyne, the back bursae are longer and...

is of medium size with a deeply carved posterior margin and two oval copulatory openings. "Epocilla calcarata (Karsch, 1880)". World Spider Catalog. Retrieved...

lining. Female Pacific electric rays undergo fertilization via the male copulatory organs, known as claspers, which are used for internal fertilization....

It can be distinguished from other species in the genus by its unusual copulatory organs, particularly the male's semi-transparent embolus that is recalled...

with partners possessing greater symmetry reported significantly more copulatory female orgasms than were reported by women with partners possessing low...

fibers, short penis papilla, short genito-intestinal duct, and a lack of a copulatory bursa. M. robusta can reach up to 50 mm long and is around 2–3 mm wide...

only in some species, epiphallus is present in nearly all of them. Male copulatory organs are generally reduced, their role being taken over by a well-developed...

either dark or brown pedipalps. The female has distinctive flanges at its copulatory openings. The male is distinguished by the shape of its palpal bulb and...

design of the epigyne, which is oval with pronounced sclerite. It has copulatory openings that lead to relatively short seminal ducts and oval receptacles...

coster is one of a group of butterflies where females feature a sphragis (copulatory plug) which is formed after a mating session. After males produce the...

pad which is formed from enlarged and fused sucker pedicels with the copulatory apparatus being a large swollen horn, which has secondary lobes at its...

female's copulatory organs are distinctive. The external copulatory organ, the epigyne is split into two by a small divide. There are two copulatory openings...

(swimming leg) that is slender, long, and curved. They only have simple copulatory hooks on their third legs. It is also unique among members of its clade...

member of the genus. The pincer-like end of its long embolus, part of its copulatory organs, can also be used to identify it. It is harder to distinguish the...

whether these selfish genetic elements can actually influence the post-copulatory sperm selection that some females go through in order to determine the...

groove along which spermatophores are transferred after mating, from the copulatory opening (the ostium bursae), to the ovipore for fertilisation. Capinera...

bifid and folds upwards. The copulatory openings face posteriorly, and the spermathecae are oval-shaped with copulatory ducts as long as the spermathecae...

mating systems in spiders: limited male mating dispersal and lack of pre-copulatory inbreeding avoidance in a subsocial predecessor". Biological Journal of...

abdomen yellow. Although similar to the related Phintella lucida, the copulatory organs are distinctive, particular the tip of the spike on the tibia,...

bears two squamodiscs, one ventral and one dorsal. The sclerotized male copulatory organ, or "quadriloculate organ", has the shape of a bean with four internal...

by a characteristic pattern on the carapace and the structure of the copulatory organs. The male was first described in 1994 by Wesołowska and van Harten...

in which the longitudinal fibers are grouped into large bundles. The copulatory apparatus lacks a penis papilla or has it greatly reduced. The tribe Rhynchodemini...