Neotrombicula autumnalis

Neotrombicula autumnalis
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Trombidiformes
Family: Trombiculidae
Genus: Neotrombicula
Species:
N. autumnalis
Binomial name
Neotrombicula autumnalis
(Shaw, 1790)
Synonyms[1]
  • Acarus autumnalis G.K.Shaw, 1790
  • Trombicula autumnalis (Shaw)

Neotrombicula autumnalis, known as the harvest mite or autumn chigger, is a species of mite of the family Trombiculidae. Their larvae live parasitically; they infect all domestic mammals, humans, and some ground-nesting birds.[2]

Description

Life cycle

The larvae are normally orange or red with six legs, but develop eight legs by nymph stage. The larvae are up to 0.2 mm (0.01 in) in size, with adult mites about 1 mm (0.04 in) long.

Habitat and distribution

This mite is most frequently found on small rodents and dogs,[3] though mice and moles have also been shown to carry the mite.[4]

Life cycle

Further information on harvest mite life cycle: Trombiculidae

The eggs are laid in damp soil. After hatching, the larvae climb blades of grass and wait for a potential host.[2] With their "blade-like chelicerae",[2] they attach themselves to the hosts and feed on their tissues. After sucking, which lasts several days,[2] they fall off and develop over three stages of nymph to adult mites.

References

  1. ^ "Neotrombicula autumnalis". Global Biodiversity Information Facility. Retrieved 19 June 2021.
  2. ^ a b c d Richard Wall & David Shearer (2001). "Trombiculidae". Veterinary Ectoparasites: Biology, Pathology, and Control (2nd ed.). John Wiley and Sons. pp. 47–48. ISBN 978-0-632-05618-7.
  3. ^ Parcell, Benjamin J.; Sharpe, Graeme; Jones, Brian; Alexander, Claire L. (2013). "Conjunctivitis induced by a red bodied mite, Neotrombicula autumnalis". Parasite. 20: 25. doi:10.1051/parasite/2013025. ISSN 1776-1042. PMC 3718535. PMID 23823162.
  4. ^ Elton, Charles; Keay, Gladys (1936). "The Seasonal Occurrence of Harvest Mites ( Trombicula autumnalis Shaw) on Voles and Mice near Oxford". Parasitology. 28 (1): 110–114. doi:10.1017/S0031182000022307. ISSN 0031-1820.

Further reading

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