Hundreds of species of small wasps called gall wasps live in the forests of North America. Hundreds more species of them are spread worldwide. In Southeast Missouri oak trees are a favorite host plant ...

Eucalyptus gall wasps, particularly the invasive Leptocybe invasa, present a serious threat to forestry and ecosystem health worldwide. These wasps induce the formation of specialised galls on ...

Residents of Leon and Wakulla counties may be noticing dead or dying laurel oaks in yards or along the roads. If you look at these trees carefully, you will see round, wooden balls on the twigs and ...

In northern New England, acorns ripen in late summer and normally drop from oak trees from September through October. They may fall earlier, however, for a host of reasons, from eager squirrels ...

Here's a problem quite a few people have asked me about in the past few months: Live oaks that look scorched, drop more leaves than normal and have bead-like structures on the undersides of the leaves ...

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 ...