The plan would treat approximately 17,328 acres of land in the greater Eastern Panhandle, including the counties of Berkeley, ...

and would be dispersed in May to kill caterpillars of the spongy moth (also known as Lymantria dispar or gypsy moths). The species is native to Europe and is invasive and dangerous to North America.

In states where there are significant infestations, the gypsy moth caterpillars have defoliated ... Repeated defoliation can also kill trees, changing the mix of tree species and affecting ...

A gypsy moth caterpillar crawls along partially eaten leaves of a tree in Trenton, N.J. The spongy moth caterpillar has a yellow and black head, a hairy body with pairs of blue spots, followed by ...