Gerry Ellis / Grass Tree (Xanthorrhoea preissii) found in arid areas, Australia

Gerry Ellis / Grass Tree (Xanthorrhoea preissii) found in arid areas, Australia

Gerry Ellis / Grass Tree (Xanthorrhoea preissii) and full moon, Flinders Range National Park, Australia

Kevin Schafer / Grass Tree (Xanthorrhoea preissii) flower stalk, Fitzgerald River National Park, Western Australia, Australia

Kevin Schafer / Grass Tree (Xanthorrhoea preissii) flower stalks, Fitzgerald River National Park, Western Australia, Australia

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 (Thynnus sp) male, feeding on Grass tree (Xanthorrhoea preissii) flower spike, Tathra National Park, east of Eneabba, Western Australia. (Tiphiidae)

Jiri Lochman / Flower wasp (Macrothynnus insignis) wingless female, waiting on a Grass tree (Xanthorrhoea preissii) leaf to be picked up by a flying male, she disperses pheromones to advertise her readiness to mate,...

Jiri Lochman / Flower wasp (Macrothynnus insignis) wingless female, waiting on a Grass tree (Xanthorrhoea preissii) leaf to be picked up by a flying male, she disperses pheromones to advertise her readiness to mate,...

Marie Lochman / Flower wasp (Catocheilus sp.) mating pair, winged male feeding on Grass tree (Xanthorrhoea preissii) flower spike and the wingless female hanging curled on the male's abdomen waiting to be fed by...

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