Keeping your trees pruned correctly and healthy should ... Dealing with wasps or wasp nests is dangerous and requires extra care, especially if you are allergic to wasp stings and may not be ...

Erythrina gall wasps are yellow 6- to 8-millimeter-long invasive pests. They create galls — swollen, tumor-like growths — in erythrina tree tissue that serve as cocoons for their larvae to mature.