Disease Hotline Issue 21

Leaves on tulip tree turning yellow from drought conditions. Photo provided by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware

Pyracantha scab. Photo provided by: Ethel Dutky, University of Maryland, Bugwood.org

What's Hot HL Issue 21

Powdery mildew. Photo by: Brian Kunkel, Ornamentals IPM Extension Specialist, University of Delaware

Japanese Maple scale on holly. Photo by: Brian Kunkel, Ornamentals IPM Extension Specialist, University of Delaware

Tuliptree/magnolia scales on magnolia. Photo by: Brian Kunkel, Ornamentals IPM Extension Specialist, University of Delaware

Insect Hotline Issue 21

White grubs. This image compares the size of three white grub species. Left to right: Japanese beetle, European Chafer, Junebug (Phyllophaga). Photo by: David Cappaert, Michigan State University, Bugwood.org

Disease Hotline Issue 20

Foliar nematode on Buddleia. Photo provided by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware

What's Hot HL Issue 20

Harlequin bug adult. Photo provided by: Whitney Cranshaw, Colorado State University, Bugwood.org

Harlequin bug eggs. Photos provided by: Whitney Cranshaw, Colorado State University, Bugwood.org

Harlequin bug nymph. Photo provided by: Whitney Cranshaw, Colorado State University, Bugwood.org

Harlequin bug nymph. Photo provided by: Edward L. Manigault, Clemson University Donated Collection, Bugwood.org

Insect Hotline Issue 20

Tobacco budworms. Photo provided by: R.J. Reynolds Tobacco Company Slide Set, R.J. Reynolds Tobacco Company, Bugwood.org

Tobacco budworm adult. Photo provided by: Blake Layton, Mississippi State University, Bugwood.org

Red-tailed wasp, a parasitoid of tobacco budworm. Photo provided by: R.J. Reynolds Tobacco Company Slide Set, R.J. Reynolds Tobacco Company, Bugwood.org

What's Hot HL Issue 19

Saddleback caterpillars. These have stinging hairs. Photo provided by: Robert L. Anderson, USDA Forest Service, Bugwood.org

Banded tussock moth - caterpillar stage (immature). These hairs do not sting. Photo provided by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware

White-marked tussock moth --caterpillar stage (immature). These hairs do not sting. Photo provided by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware