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 ...

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

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.

Gall wasps are a native Aussie insect that originate from northern NSW and Queensland but are now established in many Perth suburbs after successfully spreading across the country, with the pest ...