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.

An ancient wasp may have used an odd structure at its rear end to capture insects and lay its eggs on or inside of them, according to a new study published Thursday in BMC Biology. Researchers named ...

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