Horned oak gall are caused by wasps. The gall eventually causes a branch to drop to the ground. If the horns are gone, so is the wasp.
Horned oak gall are caused by wasps. The gall eventually causes a branch to drop to the ground. If the horns are gone, so is the wasp.
Horned oak gall are caused by wasps. The gall eventually causes a branch to drop to the ground. If the horns are gone, so is the wasp.