Nick Upton / Sphecid wasp (Tachysphex sp) resting on rocks, Samos, Greece, August.

Nick Upton / Sphecid wasp (Tachysphex sp) resting on driftwood, Samos, Greece, August.

Premaphotos / Communal sphecid wasp (Trigonopsis sp) adding a pellet of mud to the outside of its communal nest on a tree in Amazonian rainforest, Brazil

Premaphotos / Communal sphecid wasp (Trigonopsis sp) with a stung cricket in it jaws which is about to be placed in the mud nest-cell, in Amazonian rainforest, Brazil