Nature Production / Canopy Owl Fly (Ascalaphidae) Japan

Silvia Reiche / Owl Fly (Ascalaphus sp) on grass, St. Nazaire le Desert, France

Rolf Nussbaumer / Owlfly {Ascalaphidae} adult on mesquite tree bark, Rio Grande Valley, Texas, USA

Piotr Naskrecki / Owl Fly (Ascalaphidae) adult on snag, Namibia

Piotr Naskrecki / Owl Fly (Ascalaphidae) larva, camouflaged on the trunk of a savannah tree, Botswana

Piotr Naskrecki / Owl Fly (Ascalaphidae) on mossy branch, Costa Rica

Mark Moffett / Owl Fly (Ascalaphidae) detail showing unusual double eyes, Barro Colorado Island, Panama

Mark Moffett / Owl Fly (Ascalaphidae), Barro Colorado Island, Panama

Konrad Wothe / Owl Fly (Libelloides coccajus) on twig, Monti Sibillini National Park, Italy

Konrad Wothe / Owl Fly (Libelloides coccajus) portrait, on stem, Monti Sibillini National Park, Italy