The Asilidae are the robber fly family. They are powerfully built, bristly flies with short, sharp, stout sucking mouthparts. The name "robber flies" reflects their notoriously aggressive predatory habits; they feed mainly on other insects and they largely wait in ambush and catch their prey in flight.
Read more about Asilidae: Overview, Biology, Habitat and Ecology, Distribution, Systematics, Phylogeny, Notable People, Gallery