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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Bootanomyia dorsalis is native to Europe, but has been found in multiple locations across North America. Native to Europe, B.

Add Yahoo as a preferred source to see more of our stories on Google. Small bumps on oak leaves are jumping oak galls, which are caused by a very tiny, native, stingless wasp that lays eggs in leaf ...

It can be unnerving to find that the leaves of an oak or hackberry tree are as bumpy as a rock-covered seashore in late summer. Other trees’ leaves may break out in acne-like red spots or sport ...

These are two species of Bootanomyia dorsalis wasps introduced from Europe. Invasive species have a reputation for causing trouble. From the cane toad to the Asian tiger mosquito, these creatures are ...

Oak gall wasps and their predators don't have the panache of butterflies, but they're attracting growing interest among both scientists and naturalists. Subscribe to our newsletter for the latest ...

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 ...

The gall wasp group (Hymenoptera: Cynipidae) represents an exceptional model for understanding ecological interactions, evolutionary innovation and the dynamic interplay between insects and their host ...

If you spend enough time looking at and working with plants, you’ll inevitably come across galls. Galls are abnormal growths and can be caused by a variety of different organisms, including insects ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. A previously unidentified species of invasive parasitic wasps is ...