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 19


Yellow spotting or banding caused by Cryptomeria scale.

Ants attracted to the honeydew produced by Tuliptree scale (soft scale).

Magnolia scales on Star magnolia (notice the scale in the upper right corner has been chewed open by a beneficial insect–probably a lady beetle).

Holly infested with white prunicola scale. All photos provided by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware.

What’s Hot HL Issue 19


Cicada killer adult wasp. Photo provided by: Jessica Lawrence, Eurofins Agroscience Services, Bugwood.org

Prey items brought back to the nest to have eggs laid on them. Photo provided by: Kenneth R. Law, USDA APHIS PPQ, Bugwood.org

Pine needle scale. Photo provided by: United States National Collection of Scale Insects Photographs Archive, USDA Agricultural Research Service, Bugwood.org

Catalpa sphinx moth adult. Photo provided by: Herbert A. “Joe” Pase III, Texas Forest Service, Bugwood.org

Catalpa sphinx moth caterpillar. Photo provided by: Lacy L. Hyche, Auburn University, Bugwood.org

Catalpa sphinx moth caterpillar. Photo provided by: Lacy L. Hyche, Auburn University, Bugwood.org