Click on the text link under each photo to see a larger picture.

Frass and webbing in pine tree
Photo credit: Robert L. Anderson, USDA Forest Service, Bugwood.org

Larva of pine webworm
Photo credit: Connecticut Agricultural Experiment Station Archive, Connecticut Agricultural Experiment Station, Bugwood.org

Adult pine webworm
Photo credit: Natasha Wright, Florida Department of Agriculture and Consumer Services, Bugwood.org

Damage to pine seedling by pine webworm
Photo credit: Robert L. Anderson, USDA Forest Service, Bugwood.org