Fruit flies are generally highly susceptible to parasitic wasps, but some have stolen a gene from bacteria that makes them resistant. This adult fly, Drosophila melanogaster, has two cysts (made dark ...

Jul. 26—ALMA — In a quiet field of abandoned blueberries and shrubby brush in south Georgia, Cera Jones released hundreds of tiny parasitic wasps into the thicket and watched them fly away, following ...

CORVALLIS — An invasive fruit fly that’s a major agricultural pest affecting Northwest berries, cherries and wine grapes may be about to meet its biological match. Oregon State University researchers ...

This female Nasonia wasp is stinging a fly pupal host and laying eggs within it. The offspring will emerge two weeks later and will subsequently hatch and kill the host creature. Scientists have ...

Many flies are plagued by parasitic wasps, which lay their eggs in fly larvae, turning them into surrogate wombs for wasp larvae. One common fly has successfully fought off its wasp predator by ...