''Acrosathe annulata'' is a species of stiletto fly belonging to the family Therevidae. It is a

Palearctic The Palearctic or Palaearctic is the largest of the eight biogeographic realms of the Earth. It stretches across all of Eurasia north of the foothills of the Himalayas, and North Africa. The realm consists of several bioregions: the Euro-Sibe ...

species with a limited distribution in Europe

Description

"Male entirely covered with silvery pubescence; female without any shining black frontal callus. Halteres whitish. Femora blackish in both sexes. Fourth posterior cell closed".Verrall, G. H., 1909 Stratiomyidae and succeeding families of the Diptera Brachycera of Great Britain'' British flies'' Volume 5 London : Gurney and Jackson, 190
BHL Full text with illustrations
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Biology

Habitat: Sand dunes and sand hills. They rest on hot bare sand among marram.

References

Therevidae Insects described in 1805 Asilomorph flies of Europe {{Asiloidea-stub