Andy Sands / Robberfly (Machimus cingulatus) head close up showing large compound eyes. Captive, UK, July.

Rod Williams / Kite-tailed robberfly (Machimus atricapillus) Hutchinson's Bank, New Addington, London, England, UK. August.

Rod Williams / Kite-tailed robberfly (Machimus atricapillus) with prey, Denbies Hillside, near Dorking, Surrey, UK, September.

Nick Upton / Kite tailed robberfly (Machimus atricapillus) resting on limestone boulder, Wiltshire, UK, August.

Nick Upton / Large Robber Fly (Machimus modestus) female with small solitary bee prey. Zadar province, Croatia, July.

Nick Upton / Large Robber Fly (Machimus modestus) male resting on rock. Zadar province, Croatia, July.

Nick Upton / Large Robber Fly (Machimus modestus) female with small solitary bee prey. Zadar province, Croatia, July.

Kim Taylor / Robber Fly {Machimus atricapillus} mating pair on brick wall, Surrey, England.

Kim Taylor / Robber fly {Machimus atricapillus} feeding on moth prey, UK.

Kim Taylor / Robber fly {Machimus atricapillus} female, UK.

Kim Taylor / Robber Fly (Machimus atricapillus) on flowering grass. UK.

Premaphotos / Kite-tailed robber fly (Machimus atricapillus) mating pair, UK