Arthropterus Ant-Nest Beetle (Carabidae: Paussinae) Yandoit, Victoria, Australia
A parasitic Apocephalus phorid fly attempts to lay her egg (note the long, snaking ovipositor) while her Acromyrmex leafcutter victim struggles to pin the attacker against her defensive spines. Monte Verde, Minas Gerais, Brazil
The eastern ant cricket, Myrmecophilus pergandei, lives in ant nests where it steals resources from their hosts. Urbana, Illinois, USA