Most species have a beard of stiff bristles (called setae) around the proboscis. Most Robber Flies are brown or reddish-brown in colour. This page contains pictures and information about Robber Flies that we found in the Brisbane area, Queensland, Australia. Robber flies range in length to almost 8 cm (3 inches), making them the largest of all flies. Robber flies are members of the family Asilidae and distant relatives of the common housefly. Habitat. Update: December 20, 2014. Robber Fly captured a winged ant . ROBBER FLY FACTS: Identification Robber Flies are medium to large hunting flies with long strong legs used to catch prey on flight. They have strong legs which can catch prey on flight. This web site would not have been possible without the brilliant photographic skills of my colleague and sometimes co-author, Mr. Gerhard Weber of Adelaide, who has unselfishly given of his time and talents to produce the robber fly images. They have large eyes, and distinct "neck" between the head and abdomen. Giant Yellow Robber Fly from Western Australia, possibly. Asilidae seize their prey in flight and inject their victims with saliva containing neurotoxic and proteolytic enzymes ( Figure 9 ). Their appearance is somewhat frightening — after all, a big, hairy, humped flying insect isn’t usually a … Hanging Thief. Perching height varies by species, but generally occurs in open, sunny locations. Most are dull in colour, and their stout, often hairy, bodies resemble those of bumble bees. We just received a comment that this is Neoaratus hercules, a large Robber Fly . Robber Flies - Family Asilidae. Perhaps one of our readers will be able to assist in this identification. The long legs are adapted to capture prey in flight … Large Robber Fly from California Robber flies generally establish a perching zone in which to locate potential prey. It is pictured on the Atlas of Living Australia and on Insect Net it is called a Hercules Robber Fly. Robber flies live in urban areas, forests and woodlands. Between the large-faceted eyes is a moustache of bristles. The abdomen is long and thin. Because of their size and active habits, robber flies are one of the more common flies seen in Sydney. Robber flies are large, bristly flies that catch their prey (usually other insects) mid-flight. They also known as an Assassin Fly and Bee Killer. I thank him profusely. The Robber Flies are air hunter. Wasp and Robber Fly from Oman. Distribution. Feeding and diet Robber flies throughout Australia.
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