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 ...

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 ...

It’s like a horror movie come to life. In a new study, biologists say there’s a certain type of wasp, called the emerald jewel wasp, that has a peculiar way of making sure its young have a head start ...

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 ...