Cottony maple scale on a tulip tree.
Cottony maple leaf scale on dogwood.
Cottony camellia/taxus scale on holly. The first and third picture was provided by: Brian A. Kunkel, University of Delaware Ornamentals IPM Extension Specialist. Cottony maple leaf scale image was provided by: Nancy Gregory, University of Delaware Plant Diagnostician.
Indian wax scale on winterberry.
Ovisacs of cottony maple scale on maple tree.
Close-up of ovisac of cottony maple scale. Photos provided by: Brian A. Kunkel, University of Delaware Ornamentals IPM Extension Specialist
Powdery mildew on Coreopsis.
Powdery mildew on dogwood. Photos for powdery mildew are from Bob Mulrooney, University of Delaware.
Photos for anthracnose on ash and Dutch elm disease have previously been posted. Please use the search function to locate these images.
Images of bagworms have been uploaded to the website in the past. Please use the search function to locate these photos.
Discula anthracnose on dogwood leaves.
Close-up of discula anthracnose on dogwood leaf.
Discula anthranose on dogwood flower petals. This and the previous images of dogwood anthracnose (discula anthracnose) were provided by: Robert L. Anderson, USDA Forest Service, Bugwood.org
Image of discula anthracnose on stem of flowering dogwood. Photo provided by: Mary Ann Hansen, Virginia Polytechnic Institute and State University, Bugwood.org
Photos of red thread have already been posted to the site. Please use the search function to locate images.