Wild Wonders of Europe / Ziegler / Robber flies (Asilidae) mating, one with insect prey, The Peloponnese, Greece, May 2009
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Wild Wonders of Europe / Smit / Robber fly (Asilidae) with mosquito prey hanging from leaf, Gornje Podunavlje Special Nature Reserve, Serbia, June 2009
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Piotr Naskrecki / Ogre-faced Spider (Deinopis sp) do not wait passively for an insect to fall into their web, instead, they cast sticky nets, La Selva Biological Station, Costa Rica
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Nick Upton / Striped slender robber fly (Leptogaster cylindrica) with insect prey, Corfe Common, Dorset, UK, July.
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Rod Williams / Kite-tailed robberfly (Machimus atricapillus) Hutchinson's Bank, New Addington, London, England, UK. August.
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Nick Upton / Golden-haired robber fly (Choerades marginatus) sunning on a leaf, a nationally scarce species in the UK, Wiltshire, UK, July.
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Nick Upton / Golden-haired robber fly (Choerades marginatus) pair mating on a leaf, a nationally scarce species in the UK, Ancient woodland, Wiltshire, UK, July.
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Doug Wechsler / Robber fly (Asilidae) with male leafcutter ant prey, Jorupe Reserve, Ecuador.
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Doug Wechsler / Robber fly (Efferia albibarbis) on white background, St. Jones Reserve, Delaware, USA, June.
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Doug Wechsler / Robber fly (Efferia albibarbis) on white background, St. Jones Reserve, Delaware, USA, June.
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Andy Sands / Common red-legged robberfly (Dioctria rufipes) on leaf waiting to ambush fly prey, Bedfordshire, England, UK, May
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Bernard Castelein / Roberfly (Asilidae) with lacewing prey, Brasschaat, Belgium