Not all wasp-shaped insects can do us harm. Gall wasps are a stingless species that create galls on trees and bushes where they grow from larvae into adulthood. So, now we know they won't hurt us ...

Some experts say to do this in the spring and others after the fall leaf drop. Either way, you need to prune galls before larvae transform into adult wasps. Make an angled cut below the gall at a ...

Erythrina gall wasps, mostly yellow ... Studies indicate that the gladiator and its potential backup wasp do not have negative interactions with Hawaii’s environment, or with one another.

The cost of the broader project to do biocontrol work on the erythrina gall wasp is estimated around $700,000, Oishi said, with the bulk of the funding used for foreign exploration to catalog ...