DEAR NEIL: What is wrong with our young bur oak’s leaves? They’re horribly distorted. Dear Reader: I have not encountered this before. I would expect it to be either the damage of a gall ...

For example, jumping oak galls are caused by wasp eggs laid in the leaves of such trees as white oaks, bur oaks and swamp white oaks. The galls are little bumps, like beads.

Earlier this month my colleague, LyAnn Graff, brought in an interesting looking fuzz ball surrounding a thin leafy branch of a burr oak tree. It was about the size of a golf ball, but with red-tipped ...

The strange growths, often found on oak trees, are the product of small wasps that lay eggs and triggers something in the tree to produce the gall and nurture the larvae.

Q: What is wrong with our young bur oak’s leaves? They’re horribly distorted. A: I have not encountered this before. I would expect it to be either the damage of a gall-forming insect or the ...

Plenty of animals build their homes in oak trees. But some very teeny, tricky insects make the tree do all the work. “What nerve!” you might say. What … gall! And you’d be right. Oak galls ...

Question: Can you describe sudden oak wilt; what is oak gall; and when is the proper time of year to prune my oak tree? Advanced Master Gardener Dan Draves says: There are many insects that cause ...

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 ...

Oak galls are popping up everywhere this fall! They're the tiny, fuzzy yellow or brown balls on oak leaves and branches. You could spot one or two, then dozens around the same tree.

Oak galls, those small fuzzy yellow or brown balls on oak leaves and branches, may signify the health of your tree, Texas A&M AgriLife says. They are tiny, fuzzy, and yellow or brown in color.

Bur oak, however, is somewhat weaker than other species in the white oak group. For full article with additional photos view: Intro to Trees of Indiana: Bur Oak If you have any questions regarding ...