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 ...

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 ...

A recent discovery, published in the Journal of Hymenoptera Research, has revealed the presence of two previously unknown species of parasitic wasps in the United States. These species, typically ...

Researchers discovered two new parasitic wasp species living in the U.S., tracing their origins back to Europe and uncovering clues about how they spread. Their arrival raises fresh questions about ...

Scientists have identified two previously unknown species of parasitic wasps spreading across the US, from New York to the Pacific coast. Originally from Europe, these tiny predators lay their eggs ...