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Harmful Insects
Insect Plant Galls
Most plant galls are abnormal plant tissue growths caused by the feeding or egg laying activity of insects and mites. (Fungi and bacteria also cause galls but are not dealt with here.) Because of their unusual forms, textures and colors, homeowners may become concerned. However, galls seldom threaten a plant's health and their numbers are highly variable from season to season. In most cases galls are not abundant enough to harm the plant. However, there are exceptions; some galls may inhibit branch formation or distort foliage and flowers.
To learn more see the attached information sheet
by clicking the PDF icon below.
Documents are in the Adobe Acrobat PDF format.
The reader can be downloaded for free from www.adobe.com.
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