It’s the caterpillar stage of the spongy moths, also known to entomologists and lepidopterists as “Lymantria dispar” and formerly as gypsy moths, which can cause the most harm to local trees.

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 ...

In 2021, a total of 203,569 acres were treated. In addition to DCNR’s spray program, the Pennsylvania Game Commission will also be conducting an aerial spray program in 2022 on approximately ...

The Minnesota Department of Agriculture announced its gypsy moth monitoring program caught almost 28,000 moths this year – more than twice the previous high of 12,000 moths caught in 2008.