Acrosathe annulata, also known as coastal silver-stiletto, is a species of stiletto fly belonging to the family Therevidae.[1] It is a Palearctic species that is widely distributed in Europe.
"Male entirely covered with silvery pubescence; female without any shining black frontal callus. Halteres whitish. Femora blackish in both sexes. Fourth posterior cell closed".[2]
Its habitats are sand dunes and sand hills. They rest on hot bare sand among marram.