Doug Wechsler / Blue-winged / Digger wasp (Scolia dubia) on Goldenrod (Solidago) flowers, Pinelands Reserve, New Jersey, USA, September.

Nick Upton / Great potter wasp / Mason wasp (Delta unguiculatum) getting moisture from beach sand, Samos, Greece, August.

Nick Upton / Potter wasp / Mason wasp (Eumenes mediterraneus) feeding on Rock samphire / Sea Fennel flowers (Crithmum maritimum) by the coast, Samos, Greece, August.

Nick Upton / Great Potter / Mason Wasp (Delta unguiculatum) getting moisture from sand, Samos, Greece, August.

Nick Upton / Potter Wasp (Rhynchium oculatum) feeding on Variegated Spurge (Euphorbia marginata) flowers. Lesbos / Lesvos, Greece, August.

Nick Upton / Potter Wasp (Rhynchium oculatum) feeding on Variegated Spurge (Euphorbia marginata) flowers. Lesbos / Lesvos, Greece, August.

Nick Upton / Potter Wasp (Rhynchium oculatum) feeding on Variegated Spurge (Euphorbia marginata) flowers. Lesbos / Lesvos, Greece, August.

Nick Upton / Potter Wasp (Eumenes sp.) on Variegated Spurge (Euphorbia marginata) flowers. Lesbos / Lesvos, Greece, August.

Nick Upton / Potter Wasp (Rhynchium oculatum) feeding on Variegated Spurge (Euphorbia marginata) flowers. Lesbos / Lesvos, Greece, August.

Nick Upton / Mason Wasp (Ancistrocerus sp.) grooming itself on a leaf, Wiltshire garden, UK, May.

Hanne & Jens Eriksen / Beetle wasp {Scolia sp} feeding on flower of Sodom's apple {Calotropis procera}, Al Haiyir, UAE

PREMAPHOTOS / Female mud dauber wasp (Eumenes fenestralis) collects mud. S.Af.

Nature Production / Mason Wasp {Orancistrocerus drewseni} carrying a cabbage moth caterpillar {Acanthognathus teledectus} to its nest, Japan

Doug Wechsler / Blue winged wasp {Scolia dubia} feeding on Goldenrod, Pennsylvania, USA.

Kim Taylor / Solitary Wasp (Eumenidae) Australia. Captive

PREMAPHOTOS / Female Mud dauber wasp collects mud for nest building {Eumenes fenestralis} S Africa

PREMAPHOTOS / Potter wasp female nest building in desert {Delta dimidiatipenne} Israel

PREMAPHOTOS / Potter wasp collecting dry soil for nest building in desert {Delta dimidiatipenne} Israel

PREMAPHOTOS / Communal eumenine/potter wasps wasps on mud nest in rainforest {Montezumia sp} Costa Rica

PREMAPHOTOS / Potter wasp female building third mud nest in desert. Israel {Delta dimidiatipenne}

PREMAPHOTOS / Potter wasp female building mud nest in desert, Israel {Delta dimidiatipenne}

PREMAPHOTOS / Potter wasp (Delta dimidiatipenne) puts caterpillar prey in nest - food for larva to feed on when it hatches, Israel .