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 ...

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 ...

CORVALLIS, Ore. - An Oregon State University study has identified four new species of parasitic, cockroach-killing ensign wasps that became encased in tree resin 25 million years ago and were ...

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.