At least two different populations of a parasitic wasp native to Europe have been found on opposite coasts of North America. But no one knows how they got there. Reading time 3 minutes There are all ...

Thanks to efforts from scientists and everyday citizens, two rare species of parasitic wasps have been identified in the U.S. for the first time. The wasps were located on both the East and West Coast ...

Two species of Bootanomyia dorsalis wasps introduced to North America from Europe A, B variation in the extent of wing infumation from a single collection of B. dorsalis sp. 2 from Neuroterus ...