And if it is just soft tissue, it was probably caused by a feeding insect. Plant gall damage is usually an aesthetic problem and is not considered serious. Affected trees ordinarily show little ...

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 ...

A gall is an abnormal growth or swelling of a plant caused by hormones released from insects, mites, bacteria ... This mass then either grows around the feeding damage or surrounds the egg. Once ...

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

There are three major types of diseases that affect blue spruce trees: needlecasts, tip blights, and canker diseases. The two ...

You have spotted the handy work of quite small insects or mites. Oaks, especially the live oaks, seem to be susceptible to a number of gall-forming ... are rotting, the plant may have stayed ...

As fall continues with some sunny weather, gardening is still on our radar. You may have questions. For answers, turn to Ask an Expert, an online question-and-answer tool from Oregon State ...

Growths on plants formed by parasitic weevils help their offspring hunker down on a Brazilian savanna and outlast the flames.

The ancient Eucalyptus plants appeared to be a popular food source. The researchers identified multiple insect damage types, ...

One of these galls is enlarged to show the larva ... Labandeira and his colleagues examined numerous insect damage types from 134 plant assemblages spanning the last 305 million years of Earth ...