Oak galls are popping up everywhere this fall! They're the tiny, fuzzy yellow or brown balls on oak leaves and branches. You ...

The eggs then hatch into larvae that secrete chemicals which reprogram the bud to grow into an initially hairy red or green ...

Galls are abnormal growths on a part of the plant. They can be caused by bacteria, insects, mites and fungi. They can be on any part of a plant and are the overgrowth of plant tissue in response ...

The important uses of galls have been in medicine, the manufacture of ink, tanning and dyeing, with a few references to their use as food, and one to their use as fuel. In medicine the following galls ...