Eumerus is a genus of small
hoverflies. They have a distinctive smooth round abdomen, powerful back legs, and yellow hairs around the
scutellum, as well as a flat hairy face and a reentrant upper crossvein on the wings. The genus contains 281 known species, making it one of the largest genera of
flies. Some species are considered pests of ornamental flowers.
Photograph: Muhammad Mahdi Karim