What do Catwoman, Han Solo, and the man who betrayed Julius Caesar all have in common? Scientists have just named a group of ...

New gall wasp species named after famous thieves and tricksters reveal fresh insights into their roles and ecosystems.

Twenty-two new species of gall wasps have been identified and named for the first time, thanks to new research led by a Penn ...

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 ...

Leaves of endemic wiliwili riddled by Erythrina gall wasp damage are pictured on a tree on Kahoolawe in 2008. FOREST AND KIM STARR photo Reinforcements are being called to the front lines of a ...

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 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 ...

Also known as rose bedeguar gall and Robin's pin cushion, this is a sizeable fuzzy growth created through a biological ...

A collage of oak galls created by oak gall wasps. Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted.

Twenty-two new species of gall wasps have been identified and named, thanks to new research. The study nearly doubles the number of known species in this genus of wasps. Twenty-two new species of ...

Twenty-two new species of gall wasps have been identified and named for the first time, thanks to new research led by a Penn State College of Agricultural Sciences graduate student. The study ...