If cockroaches had nightmares, the emerald cockroach wasp surely would deserve a prominent place therein. These colorful, tiny parasitic wasps sting American cockroaches twice, once in the midsection ...

The life history of Ampulex compressa, the emerald cockroach wasp, is likely to make you squirm. A female wasp stings a cockroach—momentarily paralyzing its front legs—and drags it by its antennae to ...

Jewel wasps carve up cockroaches like jack-o’-lanterns in a way scientists have never seen before. By Jason Bittel If you loathe cockroaches, you’re going to love the emerald jewel wasp. Females of ...

When you're devouring a cockroach from the inside out, hygiene is a must. Anything living inside a roach — especially inside one that has fed on garbage or corpses — must contend with a slew of ...

Female of the emerald cockroach wasp Ampulex compressa manipulating an American cockroach, which has been made docile by wasp venom and that will serve as food for the wasp larva. If cockroaches had ...

If you loathe cockroaches, you’re going to love the emerald jewel wasp. Females of the species Ampulex compressa, known also as emerald cockroach wasps, are less than an inch long and decked out in ...