Does your pin oak look like it’s breaking out in little bumps Those odd, round growths are called twig galls, and they’re ...

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 ...

Seeing a pine pollen cone, oak catkin or sower gall once each year is enough to continue to marvel at their beauty, unique ...

This particular gall infecting our laurel oaks is caused by the eastern horned gall wasp (Callirhytis quercusclaviger). The horn in the name is descriptive of the numerous small, horn-like ...

The invasive gall wasps were first discovered on Oahu in 2005. They spread quickly throughout the state and resulted in the death of thousands of Erythrina trees, including native wiliwili trees.

The Chrysonotomyia susbelli is a parasitoid wasp, about 1 millimeter long, that emerges from galls, or tumorlike growths created by the gall wasp Neuroterus bussae found on southern live oak leaves.

Native to the southeastern United States, this species lays its egg inside the tiny, wooden chambers that another parasitic wasp species, the gall wasp (Bassettia pallida), carves out in sand live ...

The wasps come out of a “microhabitat” of “tumorlike growths” made by a gall wasp species that lives on oak leaves on the campus, according to the news release. Researchers collected the ...

A second biological control agent is moving closer to entering the battle against the erythrina gall wasp to enhance survival of endemic wiliwili trees across Hawaii. Releasing the parasitoid will ...

Jane shares a new technique for tackling citrus gall wasp once and for all! In most parts of Australia, if you've grown citrus, you’re more than likely to have come across swollen galls on ...

The Chrysonotomyia susbelli is a parasitoid wasp, about 1 millimeter long, that emerges from galls, or tumorlike growths created by the gall wasp Neuroterus bussae found on southern live oak leaves.