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 ...

In severe cases, chemical control methods can be considered. Read more about stink bugs on citrus. Lemon tree gall wasps affect citrus trees by laying eggs in developing stems, forming galls. Prune ...

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.