But little by little we used our birdwatching skills to find field marks for each species, so that we could identify it in the field without having to catch it. ... Here is a typical Robber Fly, showing general features. Note the eyes set wide apart for good depth perception, with even a depression between the eyes to allow...
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I have e-mailed before about a Regal Jumping Spider in October of 2008 and have used your archives so many times to identify the critters I stumble across. You were a help again today to identify this Robber Fly that I photographed today at Troy Springs State Park in north-central Florida.
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www.whatsthatbug.com/2009/08/10/robber-fly-eats-grassho...
www.whatsthatbug.com/2009/08/10/robber-fly-eats-grasshopper/
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Dear bug guy, This is a Robber Fly, and we believe it is in the genus Efferia. There is a photo of Efferia rapax posted to BugGuide with numerous comments. That photo looks very similar to your ... It would really take someone far more qualified than we are to properly identify what species of Robber Fly you have.
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www.whatsthatbug.com/2009/06/22/robber-fly-6/
www.whatsthatbug.com/2009/06/22/robber-fly-6/
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Robber Fly; Shop For Robber Fly. Discover Your Deal at Shopzilla!; ... Use robber fly in a Sentence ... Identify a robber f...
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dictionary.reference.com/browse/robber+fly
dictionary.reference.com/browse/robber+fly
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Robber flies have hairy bodies and powerful piercing-sucking mouthparts. The tops of their heads behind the eyes are hollowed out. Robber flies usually have long, tapering abdomens. ... Robber flies have complete metamorphosis and larvae and pupae live in the soil. Robber flies have 1 generation per year.
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www.inhs.uiuc.edu/cee/biocontrol/predators/predgroups/p...
www.inhs.uiuc.edu/cee/biocontrol/predators/predgroups/photos/robberfly.html
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Britannica online encyclopedia article on robber fly (insect), any of about 6,750 species of predatory insects, worldwide in distribution, in the fly order, Diptera. Robber flies range in length to almost 8 cm (3 inches), making them the largest of all flies. ... The robber fly is a predator of almost all flying insects.
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www.britannica.com/EBchecked/topic/505277/robber-fly
www.britannica.com/EBchecked/topic/505277/robber-fly
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WHAT IS A ROBBER FLY? ... WHAT IS A ROBBER FLY?; LIFE CYCLE; ECOLOGY; PEST STATUS; COMMON KENTUCKY ROBBER FLIES; COLLECTING & PHOTOGRAPHY; ... Above: Robber fly eyes, showing hollow area at the top of the head between the eyes. This hollow area is not present on most other kinds of flies. (B. Newton, 2003)
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www.uky.edu/Ag/CritterFiles/casefile/insects/flies/robb...
www.uky.edu/Ag/CritterFiles/casefile/insects/flies/robber/robber.htm
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Identification, Images, & Information; For Insects, Spiders & Their Kin; For the United States & Canada; ... Register · Log In ... Richard, Try Giff Beaton's Robber Flies of the Southeast for reference.
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bugguide.net/node/view/5208/bgpage
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This robber fly was hanging out in the shade behind some Abelia in full bloom, very attractive to nectar-seeking insects. At about 9:00 a.m., the weather was still a little cool, so the fly seemed to be rather sluggish, ... If you shoot from an up and back angle down onto the male abdominal tip you could identify O. gemma.
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bugguide.net/node/view/56616
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