Joel Sartore / Photo Ark / Tarantula hawk (Pepsis sp.) portrait, Audubon Insectarium, Louisiana. Captive, occurs in North and South Americ

Jiri Lochman / Spider hunter wasp / Orange spider wasp (Cryptocheilus bicolor) female, transporting anesthetized Huntsman spider (Sparassidae) into her nest as a food provision for the wasp larva, Mount Kaputar Nati...

Jiri Lochman / Spider hunter wasp / Golden spider wasp (Cryptocheilus bicolor) female, transporting anesthetized Huntsman spider (Sparassidae) into her nest as food provision for wasp larva, Mount Kaputar National P...

Jiri Lochman / Spider hunter wasp / Golden spider wasp (Cryptocheilus australis) female, transporting anesthetized Prowling spider (Miturgidae) into nest as food provision for wasp larva, Lake Indoon Reserve, west o...

Jiri Lochman / Spider hunter wasp / Golden spider wasp (Cryptocheilus australis) female, transporting anesthetized Prowling spider (Miturgidae) into nest as food provision for wasp larva, Lake Indoon Reserve, west o...

Jiri Lochman / Spider hunter wasp / Golden spider wasp (Cryptocheilus australis) female, transporting anesthetized Prowling spider (Miturgidae) into nest as food provision for wasp larva, Lake Indoon Reserve, west o...

Jiri Lochman / Kleptoparasitic spider wasp (Psoropempula sp.) female, approaching underground nest of Spider hunter wasp (Turneromyia sp.) where she will lay her egg on the spider prey intended as food Spider hunter...

Jiri Lochman / Kleptoparasitic spider wasp (Psoropempula sp.) female, approaching underground nest of Spider hunter wasp (Turneromyia sp.) where she will lay her egg on the spider prey intended as food Spider hunter...