Pictures of Cedar quince rust have been posted to the website previously. Please use the search function to locate these images.
Feeding damage caused by bristly roseslug sawfly larvae on the underside of the leaf. This sort of damage is often called ‘window-paning’.
Roseslug sawfly larva feeding on the underside of the rose leaf.
Close-up of the roseslug sawfly larva. Roseslug sawfly photos provided by: Brian A. Kunkel, University of Delaware, Ornamentals IPM Extension Specialist
Hemlock woolly adelgid egg masses. Photo provided by: Brian Kunkel, Ornamentals IPM Extension Specialist, University of Delaware
Roseslug sawfly damage to a rose leaf. Photo provided by: Brian Kunkel, Ornamentals IPM Extension Specialist, University of Delaware
Roseslug sawfly larva feeding on rose leaf. Photo provided by: Brian Kunkel, Ornamentals IPM Extension Specialist, University of Delaware
Cedar apple rust. Photo provided by: Daniel H. Brown, USDA Forest Service, Bugwood.org
Cedar apple rust. Photo provided by: USDA Forest Service – Region 8 Archive, USDA Forest Service, Bugwood.org