It sounds like something out of the "Alien" movie series, but wasps that lived during the age of dinosaurs laid eggs inside fly pupae, with the wasps eating the flies from the inside out. The study, ...

A Syntretus perlmani wasp larva bursts from a fruit fly’s abdomen. “All known parasitoid wasps of flies attack and develop inside immature life stages,” study co-author and Mississippi State ...

I was beneath an ash tree at the University of Colorado, examining leaves for emerald ash borers, when I found a leaf with a dense cluster of more than 50 strange creatures. I had no idea what these ...

A meticulous examination of over 1,500 fly pupae fossils has resulted in the discovery of four new species of ancient parasitic wasps, dating back to between 66 million and 23 million years ago in ...

The study, published online Tuesday in Nature Communications, is the accumulation of over a century of work. The prehistoric fly pupae were discovered at the end of the 19th century, but according to ...

For the first time, researchers have discovered the preserved remains of parasitic wasps — including four extinct and previous unknown varieties — in fly pupae fossils. Those four wasp species were ...

Setting off a startling chain of events, a parasitoid wasp can force a spider to weave a special web to suspend the wasp pupa just before it finishes killing its spider host. William Eberhard, staff ...