A gall is an abnormal growth or swelling of a plant caused by hormones released from insects, mites, bacteria, or nematodes. They can appear on any part of the plant with vast variation in morphology, ...

This sounds to me like your witch hazels have galls. Insect and mite galls are common on trees and shrubs throughout the Chicago area and are generally nothing to be concerned about. Leaf galls rarely ...

Your description suggests your shrub has galls. 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 ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

The appearance of unusual lumps, bumps or swellings on the leaves, stems, branches or roots of garden plants can be alarming. These abnormal growths of plant tissue are often identified as galls. They ...

Galls cause worry for tree owners each year, but in truth, most of these odd-shaped growths are more of a curiosity than a concern. This is the time of year people frequently begin to notice galls on ...

Insect-induced galls are highly specialised plant structures that result from the intimate interaction between galling agents and their host tissues. These extended phenotypes arise when insects ...

Answer: If you have an ash tree, you’ve probably seen the evidence of these ash flowergall mites (Eriophyes fraxiniflora). In case you’ve never noticed them before, the ash flowergall mites (aka ...

Alias: Maple bladder gall mite. This insect is very rarely seen, but its effects are common among maple trees. It is a small mite that feeds on the underside of maple leaves, and develops a bright red ...

Answer: If you have an ash tree, you’ve probably seen the evidence of these ash flowergall mites (Eriophyes fraxiniflora). In case you’ve never noticed them before, the ash flowergall mites (aka ...