Different growths are caused by different animals. Here's what it means if you see one of these on your oak tree ...
Galls are abnormal growths on a part of the plant. They can be caused by bacteria, insects, mites and fungi. They can be on ...
Oak galls are popping up everywhere this fall! They're the tiny, fuzzy yellow or brown balls on oak leaves and branches. You ...
Through careful study, Andrew Deans and his research team revealed that gall wasps manipulate not only oak trees but also ants. The team discovered that wasps coax oak trees into producing galls ...
Your Artstor image groups were copied to Workspace. The Artstor website will be retired on Aug 1st. Torreya Vol. 26, No. 1, January-February, 1926 AN UNUSUAL INSECT GALL ON SCARLET OAK (Q ...