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 ...

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 ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. If you ...

A new study has identified four new species of parasitic, cockroach-killing ensign wasps that became encased in tree resin 25 million years ago and were preserved as the resin fossilized into amber.

It's Halloween, so prepare to be terrified. And no, this column has nothing to do with Open Enrollment Season. Instead, it relates to the emerald cockroach wasp, a wisp of an insect that you may have ...