It’s a Bug Eat Bug World Out There – Even in a Gall

A plant gall is an abnormal outgrowth of plant tissue caused by a "gall-maker", which could be an insect, mite, virus, nematode or fungus.  The inter-relationship between plant and gall-maker is complex, very specific, and developed over eons.  The relationship…

Great Bay Galls

The red bay psylid (Trioza magnolia) is responsible for galls on the edges of the leaves of red bay (Persea borbonia) and swamp bay (Persea palustris). The galls are so ubiquitous and distinctive that they are sometimes used as a…