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 to ...

1. Neotropical insect galls : status of knowledge and perspectives / G. Wilson Fernandes, Marcel S. Coelho, and Jean Carlos Santos -- 2. Developmental anatomy of galls in the Neotropics : arthropods ...

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, ...

Insect-induced galls represent a fascinating mode of plant-insect interaction where specialised insects manipulate host plant tissues to form complex structures that provide both shelter and nutrients ...

Galls are growths on leaves, stems, branches, trunks, and roots caused by various agents. But they are usually induced by either insects or a fungus of some sort. The exact manner in which insect ...

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 ...

Dear Neil: What are the pimple-like growths on the leaves of my hackberry tree? Are they harmful? Those are insect galls that result when the female insect stings the leaves of the tree and lays her ...

The relationships that have evolved between plants and animals over many millennia of time spent coexisting are often as interesting as they are vast and varied. From the production of nectar and ...

Sign up for the Concord Monitor’s morning newsletter for essential news each day, and our contests and promotions list for special offers and giveaways. Woolly oak ...