Just ask cockroaches, targets of the emerald jewel wasp. The female wasps (Ampulex compressa) specialize in attacking the American cockroach (Periplaneta americana). If a wasp succeeds ...

Parasitic emerald jewel wasps try to turn roaches into zombies, but roaches know how to escape—most of the time. 4 min read These stories appear in the March 2019 issue of National Geographic ...

Glittering metallic green and blue, with red on some of its legs, this wasp is a far cry from its plainer yellow and black cousins. This species is called a cockroach wasp because it is a parasite of ...