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 ...

After mating, wingless male wasps die within the fig, according to the U.S. Forest Service, as the female offspring then emerge from the fig with their dead mother and brothers left behind.

Minnesota’s forests and urban landscapes are increasingly threatened by invasive pests such as emerald ash borer, gypsy moth, and sirex wood wasp. Beating back these invaders requires quick ...