gypsy moths

Gypsy moths in moth phase with egg masses on a tree
Donald Eggen / DCNR

The Pennsylvania Department of Conservation and Natural Resources is hoping to bring down a boom in the gypsy moth population, spraying for the invasive species of caterpillar in 19 counties in south central, central, north central and northwest Pennsylvania. 

Gypsy moths like to eat the leaves off oaks, along with apples and aspens. They’ll also feed on many other trees like hemlocks and pines.