While heavy infestations of spotted lanternfly on grapevines—especially in successive years—can result in their demise, most vines may be able to survive lighter infestations with few ill effects.

Add Yahoo as a preferred source to see more of our stories on Google. Adult spotted lanternflies infest areas of Pennsylvania from July to December. Lauren A. Little/MediaNews Group/Reading Eagle via ...

Spotted lanternfly season is back in Pennsylvania. The polka-dotted, gray-and-red-winged adult insects make their appearance each July and tend to hang around until December. It's an unwelcome summer ...