Parasitoid wasps lay their eggs in or on their hosts. The wasps' larvae then consume the host, sometimes from the inside out. Parasitoid wasps can be found on every single continent except Antarctica.

The interactions between spider hosts and parasitoid wasps constitute a remarkable example of co‐evolution, where intricate behavioural and physiological modifications underpin the survival strategies ...

Parasitoid wasps sometimes lay eggs in unsuitable host insects, a behavior that has traditionally been considered accidental. However, researchers at University of Tsukuba have discovered that ...

Paleontologists have discovered a disturbing new species of ancient wasp that restrained its prey using its Venus flytrap-like abdomen before laying eggs in the victim. The parasite, named ...