Alliopsis angustitarsis
(Malloch, 1920)
Alliopsis angustitarsis is a of root-maggot fly in the Anthomyiidae, first described by Malloch in 1920. The Alliopsis comprises small to medium-sized flies associated with decaying organic matter and vegetation. As with many anthomyiid species, detailed biological studies are limited. It is distinguished from primarily by characteristics of the male terminalia and leg .
Pronunciation
How to pronounce Alliopsis angustitarsis: //ˌæliˈɒpsɪs æŋˌɡʌstɪˈtɑːrsɪs//
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Identification
The name "angustitarsis" (narrow ) refers to a diagnostic narrowing of the tarsal segments. Accurate identification requires examination of male genitalia, specifically the shape and arrangement of surstyli and pregonites. Females are more difficult to distinguish and may require association with males or dissection of internal structures. It resembles other Alliopsis species but differs in the proportions of the mid-tarsus and the details of the epandrium.
Distribution
The has been recorded from the Palearctic region. Specific locality records are sparse in published literature.
Similar Taxa
- Alliopsis billbergiOverlaps in geographic range and general ; distinguished by broader male mid- and different surstylus shape.
- Alliopsis geniculataSimilar size and coloration; separated by details of the male terminalia and leg chaetotaxy.
More Details
Taxonomic history
Originally described as Aricia angustitarsis by Malloch (1920), later transferred to Alliopsis. The Alliopsis was revised by Hennig (1969) and subsequent , though A. angustitarsis has received limited focused study.
Nomenclatural note
The specific epithet "angustitarsis" is treated as a noun in apposition and does not change gender with placement.