the Asilidae are the Robber Fly family, also called Assassin Flies - they are powerfully built, bristly flies with a short, stout proboscis enclosing the sharp, sucking hypopharynx
the name "robber flies" reflects their notoriously aggressive predatory habits; they feed mainly or exclusively on other insects and as a rule they wait in ambush and catch their prey in flight.
the name "robber flies" reflects their notoriously aggressive predatory habits; they feed mainly or exclusively on other insects and as a rule they wait in ambush and catch their prey in flight.