''Eutrombicula alfreddugesi'' is a species in the genus ''

Eutrombicula ''Eutrombicula'' is a genus of mites in the family Trombiculidae. The species of this genus are found throughout North America, and Australia. The genus was first described by Henry Ellsworth Ewing in 1938. Two genera of chigger mites, each c ...

''. It is the common

chigger ''Trombicula'', known as chiggers, red bugs, scrub-itch mites, or berry bugs, are small arachnids (eight-legged arthropods) in the Trombiculidae family. In their larval stage, they attach to various animals and humans, then feed on skin, often ...

species of the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

, also sometimes called the

harvest mite Trombiculidae (), commonly referred to in North America as chiggers and in Britain as harvest mites, but also known as berry bugs, bush-mites, red bugs or scrub-itch mites, are a family of mites. Chiggers are often confused with Tunga penetrans ...

. Chiggers are the parasitic larval stages of these free-living mites. They are rarely seen in the dry Western states because the species prefers humid climates."Eutrombicula alfreddugesi"
''

Encyclopædia Britannica The is a general knowledge, general-knowledge English-language encyclopaedia. It has been published by Encyclopædia Britannica, Inc. since 1768, although the company has changed ownership seven times. The 2010 version of the 15th edition, ...

'' online, retrieved 10 August 2011: "occurs from the Atlantic coast to the Midwest and southward to Mexico". They are commonly found in undergrowth and grassy brush areas; the larvae host on animals (e.g. reptiles, birds, and wild and domestic mammals), causing welts that can turn into

dermatitis Dermatitis is a term used for different types of skin inflammation, typically characterized by itchiness, redness and a rash. In cases of short duration, there may be small blisters, while in long-term cases the skin may become thickened ...

References

{{Taxonbar, from=Q7845315 Trombiculidae Arachnids of North America Taxa named by Anthonie Cornelis Oudemans Animals described in 1910