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 24


Tuliptree scale adults. Photo provided by: Lacy L. Hyche, Auburn University, Bugwood.org

European hornet damage. Photo provided by: John A. Weidhass, Virginia Polytechnic Institute and State University, Bugwood.org

European hornet damage and adult. Photo provided by: Jim Baker, North Carolina State University, Bugwood.org

Oriental bittersweet foliage. Photo provided by: James H. Miller, USDA Forest Service, Bugwood.org

Oriental bittersweet berries. Photo provided by: Chris Evans, River to River CWMA, Bugwood.org

Multiflora rose infestation. Photo provided by: Nancy Fraley, USDI National Park Service, Bugwood.org

Close-up of multiflora rose plant. Photo provided by: Chris Evans, River to River CWMA, Bugwood.org

Mulitflora rose flowers. Photo provided by: John M. Randall, The Nature Conservancy, Bugwood.org

Multiflora rose berries. Photo provided by: Barry Rice, sarracenia.com, Bugwood.org

Insect Hotline Issue 17


European fruit lecanium on blueberry. Photo provided by: Jerry A. Payne, USDA Agricultural Research Service, Bugwood.org.

Fletcher scale. Photo provided by: Whitney Cranshaw, Colorado State University, Bugwood.org.

Lecanium scales on Celtis laevigata. Photo provided by: James Solomon, USDA Forest Service, Bugwood.org.