Fruit flies are generally highly susceptible to parasitic wasps, but some have stolen a gene from bacteria that makes them resistant. This adult fly, Drosophila melanogaster, has two cysts (made dark ...

A parasitic wasp that preys on the young of a prolific fruit fly pest demonstrates both molecular evolution and behavioral adaptations in the face of ecological pressures, according to new research.

Parasitoid wasps are one of the most species rich animal taxa on Earth, but their tropical diversity is still poorly known. Now, scientist have discovered the Dolichomitus meii and Polysphincta ...