“Look for invasive pest egg masses during late fall, winter, and early spring on outdoor surfaces like tree bark, cars ... to Boston in the 1860s. Spongy moths feed on foliage of many plant ...

The spongy moth, previously known as the gypsy moth ... these masses before they hatch in April is to scrape them off the bark of the trees with the sharp edge of a knife into a jar of soapy ...