INSECTS do not usually give us humans too much concern. However, if one studies even a tiny bit of natural history topics ...

Galls are abnormal growths on a part of the plant. They can be caused by bacteria, insects, mites and fungi. They can be on any part of a plant and are the overgrowth of plant tissue in response ...

Oaks, especially the live oaks, seem to be susceptible to a number of gall-forming insects that produce swollen tree portions like the bullet galls you found along the limbs. These are made by ...

A photo is very helpful. Q: Just noticed these knobby galls on two of my tulip trees. What causes them – insect, fungus? How should I treat? – Benton County A: Most galls are caused by ...

Among the branches of oak trees across Missouri, people are noticing more growths than before. They're called galls, and they're created by insects like wasps to house and feed their offspring.

This is the conflict between the oak tree and the oak gall. An oak gall wasp lays its eggs on the oak tree leaves and then infestation spreads. The spread could kill an oak tree but it can be ...

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 are ...

These are commonly known to feed on larvae of an oak gall midge (fly) that live on the edges of pin oak leaves. From late July to early fall, these mites drop from the tree after completing ...

Students observe galls on willow leaves, and begin their investigations in teams by collecting data to test the instructor-posed hypothesis that the number of galls per leaf varies among willow trees.