By Fred's Bughouse.

Aug 25, Oak bullet galls are common twig galls on our native bur oaks. Bullet galls are hard, round, and pea-to-knuckle-sized, and usually are most apparent by August.

According to the forestry service, oaks are more likely than other trees to be struck by lightning with beeches being the least likely.

Jumping oak galls grow on leaves and look a bit like small, round seeds or BBs. The. Jun 18, Certain wasps or flies lay their eggs on the tree limbs and the eggs receive their nutrients from the tree, forming the ball. It falls from the tree after it passes through a few stages. You can cut one open and find a maggot size, white insect inside if you get it at the right time. I was told these galls would not hurt the tree.

Oaks (Quercus spp.) are evergreen or deciduous trees that occur in nearly varieties around the world. A number of oak trees, such as the red oak, white oak and black oak, are native to the United States. Oak trees have a mature height of 60 to 70 feet with a to foot spread.

The trees are prone to numerous pest infestations, including insects that cause ball-like growths on the tree. Trees With Spiky Balls.

At first glance, American sweetgum trees (Liquidambar styraciflua) don’t appear very dangerous. But a closer look at the ground around the trees reveals a slip-and-fall. Nov 28, These little balls, called oak galls, are a common occurrence caused when the tree reacts to non-stinging wasps laying their eggs on its leaves, branches, twigs or.

Sep 28, If you've encountered some round, spiny balls under a tree or maybe still on the plant, and you're wondering what it could be, it's likely one of several options: buckeye/horsechestnut (Aesculus), chestnut (Castanea), or sweet gum (Liquidambar styraciflua). All are common landscape trees and produce spiny pods around their seeds. Oct 13, But pecans don't fall off the tree looking like the un-shelled versions you buy at the store for the holidays.

It has brilliantly colored autumn foliage, much like the maple tree, which makes it stand out when trees start putting on their fall fashion show.

They are encased in two shells! The first one is a dark, armor-plated outer shell (may be green when it first falls) If you find the pecans still imprisoned thusly, you have to either wait for this husk to fall off, or you have to work.