Insects and mites can cause galls. 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 ...

A gall is a plant’s response to an irritant in its tissue. Galls can occur on leaves, twigs, branches or roots. Although galls can be provoked by bacteria, fungi or nematodes, ...

While scouting plants in your yard or garden, perhaps you have noticed unusual bumps or growth extensions on the leaf ...

Galls vary in size and shape and can be found o… Have you noticed strange growths on leaves or swollen areas along plant stems? If the answer is yes, you may have what is referred to as plant galls.

Plant galls can also be triggered by mites, fungi, or disease, but insect-related galls represent the majority of those I frequently get asked about.

This gall is about the size of a large marble, green at first, and turning brown in the fall, as the plant dies and turns brown. Despite this special home, larva is not completely safe.

URBANA — It is that time of year for plant galls (or things that look kind of like a gall anyway) to be more obvious in the home landscape. They got a start long ago when bud swell was going on ...

Galls have rough surfaces and may grow up to 6 inches in diameter (yours is measured at 3.75 inches now!). Diseased plants should be removed and destroyed. According to the literature, it is found ...

Insect galls are abnormal growths on plants or trees, caused by insects as a result of their feeding or egg-laying activities. The growth of galls starts with physical damage done to the plant as ...

As a New Year’s resolution, I vowed to gain a better understanding of the life cycle of plant galls. Boy, do I regret that decision. It would be a lot easier to just give up nail biting again. I ...

Gall fly outmaneuvers host plant in game of 'Spy vs Spy' Date: July 9, 2020 Source: Penn State Summary: Over time goldenrod plants and the gall flies that feed on them have been one-upping each ...