Neotrombicula autumnalis

Species of mite From Wikipedia, the free encyclopedia

Neotrombicula autumnalis

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]

Quick Facts Scientific classification, Binomial name ...
Neotrombicula autumnalis
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Scientific classification
Domain: Eukaryota
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)
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Description

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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 in small rodents and dogs,[3] though mice and moles have also been shown to carry the mite.[4]

Life cycle

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

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