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Female. My best guess is a female Efferia ...
This Robber Fly landed on my leg while I was photographing some flowers.
Black robber fly with a white beard and band on its abdomen.
Found sitting on a rock in the canyon floor in Palo duro canyon state park
These menacing looking Robber flies are harmless to humans. They eat other ...
Medium-sized, slender, with beak-like mouthparts. Females (like this one) in ...
I think that is a smaller fly it is feeding on.
A mating pair. I think this are in the Nerax group.
Lifer! Thanks to Herschel Raney for the ID on BugGuide and Eric Eaton for the ...
Robber Fly spotted on the golf course of Maxwell AFB, near a small pond.
Looks like a type of biting fly... perhaps only recently emerging from pupa ...
Many species have long, tapering abdomens, while others are fat-bodied ...
Robber fly. Black, red and black legs. Addomen witha white stripe and a black ...
1" long female robber fly. The sting-like structure on her abdomen is an ...
The large black appendages at the end of the robber fly are the male's claspers.
This guy was big, about 3 inches long. He posed nicely and let me take a few ...
Female spotted preying on a Syrphid fly (Eupeodes americanus). Adults take ...
A large 2 cm Robber Fly, a male with enormous genitalia. Very hairy with a ...
down on a rock for the night and let me get quite close. Family Asilidae. This ...
Robber flies are capable of capturing their prey in while in flight. Flying ...
I spotted this huge robberfly on the rail as I walked down the steps, and upon ...