Nick Garbutt / Social Green paper wasp (Ropalidia sp) on paper nest. Ranomafana National Park, SE Madagascar.

Kim Taylor / Paper wasps' nest {Ropalidia sp}, Northern Australia.

PREMAPHOTOS / Social wasps on nest in tropical dry forest {Ropalidia pomicolor} Madagascar

PREMAPHOTOS / Wasp strokes female in courtship (Ropalidia grandidieri) Madagascar

Ripan Biswas / Paper wasp (Ropalidia marginata) hunting at night, Cooch Behar, West Bengal, India.

Jiri Lochman / Paper wasp (Ropalidia sp.) worker at the nest feeding larvae, Kununurra, Kimberley Region, Western Australia.

Jiri Lochman / Paper wasp (Ropalidia sp.) workers at nest taking care of the brood, Kununurra, Kimberley Region, Western Australia.

Jiri Lochman / Paper wasp (Ropalidia romandi) portrait, Expedition Range National Park, central northern Queensland, Australia.

Jiri Lochman / Paper wasp (Ropalidia marginata) female, founder of a colony, feeding larvae at her small nest, near Kununurra, Kimberley Region, Western Australia.

Marie Lochman / Paper wasp (Ropalidia romandi) drinking water on a leaf, Paluma National Park, Queensland, Australia.

Christian Ziegler / Paper Wasp (Ropalidia sp) at nest, Ranomafana National Park, Madagascar