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 ...

Many coast live oak (Quercus agrifolia) trees are showing unusual browning in their canopies in the last month or two. If you look carefully, you may see small, crescent-shaped galls forming on the ...

Oak gall wasps and their predators don't have the panache of butterflies, but they're attracting growing interest among both scientists and naturalists. Only 1 to 8 millimeters long, these small ...

A newly identified wasp species, Chrysonotomyia susbelli, has been discovered in Houston, Texas. The discovery, the fourth wasp species found on the university grounds in seven years, reveals the ...

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Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

Gall wasps (Hymenoptera: Cynipoidea, chiefly family Cynipidae) represent a remarkable radiation of insects that induce plant tissues to form specialised structures—galls—that both protect and nourish ...