As you can see in the photo, it looked like it was pregnant with gumballs. They're leaf galls; abnormal growths on a plant leaf that can be caused by a variety of insects, mites, diseases or fungi.

They may be leaf mines or galls — and that’s a good thing. 13 Photos View Slide Show › By Margaret Roach During the early days of the coronavirus pandemic, some of us mastered bread-baking ...

Insect and mite galls are common on trees and shrubs throughout the Chicago area and generally are nothing to be concerned about. Leaf galls rarely cause serious harm because unaffected leaf ...

Most everyone has seen strange growths dotting the leaves of a tree and wondered, "What are those?" Sometimes they look like insect eggs, and other times they're just unsightly growths ...

These galls are often on the leaves and stems and usually look like growths or bumps that are not the same color as the rest of the leaf. Sometimes there is also twisting or curling of the leaf.

There are many types of twig galls and galls are also found on other plant parts. Leaf galls are identifiable by small round balls or bumps that grow on the leaves, twigs and leaf stems of trees.

Q: I am a landscape professional, and I’ve seen an influx of camellia leaf gall and more azalea leaf gall starting to show up. It is appearing on multiple properties that I maintain from Stone ...

American Journal of Botany, Vol. 3, No. 7 (Jul., 1916), pp. 337-360 (26 pages) 1. The Phylloxera vastatrix leaf gall starts to develop on embryonic bud leaves. In twenty-four hours the insect produces ...