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.

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 ...

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 ...

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 ...

Interestingly, the translucent oak gall is very acidic inside, with a pH of around 2 to 3, about the same as a lemon. It is thought that the interior acid provides an additional chemical defense ...

There are over 200 insects that cause oak galls including midges, mites, aphids, flies, and wasps. The undisputed champs of oak galls are a big family of little wasps called Cynipids.

Wool sower galls are found primarily on white oak trees (Quercus alba) but may also be found on chestnut (Q. montana), swamp chestnut (Q. michauxii), and swamp white oaks (Q. bicolor).

The two-horned oak gall wasp is just one of dozens of species of gall wasps that incubate their eggs in oak leaves. Skip to content. All Sections. Subscribe Now. 70°F. Sunday, June 8th 2025 ...

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.

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.