Bibio annulata Fabricius, 1805 Acrosathe annulata, also known as coastal silver-stiletto, is a species of stiletto fly belonging to the family Therevidae.

[1][2][3] It is a Palearctic species that is widely distributed in Europe.

[1][2] "Male entirely covered with silvery pubescence; female without any shining black frontal callus.

They rest on hot bare sand among marram.

This article related to members of the fly superfamily Asiloidea is a stub.