Q. We have a pin oak tree that is approximately 30 feet tall. On the north-facing side of the tree there are many wilted leaves, and there are many balls of strange growth. Pictures of the leaves and ...

Oak apple galls are attached to the oak leaf as round light-green balls up to 2 inches in diameter and house a single wasp larva. They often have a mottled maroon pattern on the surface.

He also notes in an article in Bay Nature Magazine, that the urchin gall is most often found on blue oak trees. What you are observing is the tree’s reaction to the wasp laying her eggs on its leaf.

Eileen Buss of the University of Florida entomology department says that "the galls probably occurred after the first spring leaf expansion on oak trees, but are not likely to be damaging to trees ...

Your perfectly round ping-pong-sized galls were probably caused by a gall wasp or, as entomologists call them, the cynipid wasp. Most galls are small, but some can be as large as 2-inches in diameter.

I said the wasp produces the galls, but in reality, it’s the oak that produces them. Here’s what happens: One of these very small wasps bores a tiny hole in the tree bark or, more commonly, in ...

LITTLE ROCK, Ark. (June 30, 2015) – Leaf damage has been confirmed in clusters of white oak trees in north and central Arkansas areas due to Jumping Oak Gall, or small plant growths caused by ...

Hedgehog galls, like most galls that appear on trees’ leaves, may look bizarre but they are not a serious problem. By Beth Botts UPDATED: August 26, 2023 at 10:00 AM CDT ...

Q • I have an oak tree out front that dropped leaves in a recent storm. I picked up a leaf and noticed "nodules" all over the leaf. Can you tell me if my tree has a problem or if this is normal ...

Some galls are small, pea-size growths on leaves. ... The majority of galls appear on oak trees, but other types of trees and other plants, as well, have been known to have galls.

But leaf gall wasps are age-old associates of live oaks, The damage is unsightly, and may weaken the tree, but I've never heard of it killing one.The leaf gall wasp is one of the hundreds of ...

Once the gall egg is laid on a leaf, it takes three years to mature. Galls can kill the trees but it’s a slow death that could take years. “You’re not only seeing what damage you have this ...