Trilobites: Before These Parasitic Wasps Finished Devouring Live Flies, They Became Fossils In fly pupae that turned to stone, scientists found evidence that wasps have been infesting other insects for tens of millions of years. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:NASA Denies Trump’s Request to Send Astronauts Past the Moon on New RocketNew Gene Tests Pose a Threat to InsurersRare White Wolf Killed in Yellowstone Park Was Shot Illegally‘Dinosaur Mummy’ Emerges From the Oil Sands of AlbertaREVEALED: NASA set to launch new megarocket test flight WITHOUT astronauts on boardRobots will take over the workplace, tech experts warn