Jiri Lochman / Flower wasp (Epactiothynnus sp.) winged male resting on Myrtle (Darwinia diosmoides) flower buds, Lake Logue Nature Reserve, west of Eneabba, Western Australia. (Tiphiidae)

Jiri Lochman / Flower wasps (Elidothynnus sp.) mating pair, with the winged male feeding on Melaleuca (Melaleuca sp.) flowers and the wingless female hanging curled on the male's abdomen waiting to be fed by th...

Jiri Lochman / Flower wasp (Catocheilus sp.) mating pair, feeding on Grass tree (Xanthorrhoea preissii) flower spike, the winged male is feeding regurgitated nectar to the wingless female during copulation, Yanchep...

Jiri Lochman / Flower wasp (Catocheilus sp.) mating pair, feeding on Grass tree (Xanthorrhoea preissii) flower spike, the winged male is feeding regurgitated nectar to the wingless female during copulation, Yanchep...

Jiri Lochman / Flower wasp (Aelothynnus sp.) mating pair visiting Tall leek orchid (Prasophyllum elatum), with winged male carrying large pollen sacs attached to its head, Wandoo National Park, Darling Range, Wester...

Jiri Lochman / Flower wasp (Aelothynnus sp.) mating pair visiting Tall leek orchid (Prasophyllum elatum), with winged male carrying large pollen sacs attached to its head, Wandoo National Park, Darling Range, Wester...

Jiri Lochman / Flower wasp (Aelothynnus sp.) mating pair visiting Tall leek orchid (Prasophyllum elatum), winged male nectaring from flower during which pollen sacs attach to its head which are then carried to anoth...

Jiri Lochman / Flower wasp (Thynnus pulchralis) male, resting on leaf with wings spread, Paluma National Park, north-eastern Queensland, Australia. (Tiphiidae)

Jiri Lochman / Flower wasp (Thynnus pulchralis) male, resting on leaf, Paluma National Park, north-eastern Queensland, Australia. (Tiphiidae)

Jiri Lochman / Flower wasp (Thynninae sp.) wingless female waiting on the ground to be picked up by a flying male, disperses pheromones to advertise her readiness to mate, Bladensburg National Park, Queensland, Aust...

Jiri Lochman / Flower wasp (Thynninae sp.) winged male feeding on Myrtle (Darwinia diosmoides) flowers, Peak Charles National Park, north-west of Esperance, South west Western Australia. (Tiphiidae)

Jiri Lochman / Flower wasp (Thynninae sp.) mating pair, winged male nectaring during copulation. The wingless female is attached, curled up under the male's abdomen waiting for the male to exude predigested nec...