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.

Insect Hotline Issue 14

Fletcher scale on bald cypress.

Close-up of lecanium scale on cypress.

Close-up of lecanium eggs.

Lecanium scale on oaks. 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.

Insect Hotline Issue 12

Cottony maple scale with egg masses. Photo provided by: Eugene E. Nelson, Bugwood.org

Cottony maple leaf scale adults with egg masses. Photo found at: http://www.ces.ncsu.edu/depts/ent/notes/O&T/trees/note37/cotma1.jpg

Cottony camellia/taxus scale and egg masses. Photo provided by: Eric R. Day, Virginia Polytechnic Institute and State University, Bugwood.org

What's Hot HL Issue 10

Azalea bark scales. Photo provided by: United States National Collection of Scale Insects Photographs Archive, USDA Agricultural Research Service, Bugwood.org

Emerald ash borer adult (nickel in picture for size comparison), serpentine mines packed with frass. Photo provided by: Eric R. Day, Virginia Polytechnic Institute and State University, Bugwood.org

Exobasidium gall on azalea. Photo found at: http://hyg.ipm.illinois.edu/article.php?id=64

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

What's Hot Hotline Issue 8

Woolly beech aphids. Photo provided by: Haruta Ovidiu, University of Oradea, Bugwood.org

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

Cottony camellia scale infestation. Photo provided by: John A. Weidhass, Virginia Polytechnic Institute and State University, Bugwood.org.

What's Hot HL Issue 9

Crabgrass. Photo by: Gordon Johnson, Extension Agent, Agriculture and Commercial Horticulture, University of Delaware, Kent County.

Dunce cap stage of bagworms. Bag is held upright by early instar bagworms and is called the 'dunce cap' stage. Photo by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware.



Calico scales. Photo by: Raymond Gill, California Department of Food and Agriculture, Bugwood.org.

Insect Hotline Issue 9

Fletcher scale and eggs. Photo by: Tracy Wooten, Sussex County Extension Agent-Horticulture, University of Delaware.

Lecanium scale (Fletcher scale) on bald cypress. Photo by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware


Lecanium scale on oak. Photo by: Andrew J. Boone, South Carolina Forestry Commission, Bugwood.org.

Insect Hotline Issue 21

Magnolia Scale

Sooty mold on trunk as a result of magnolia scale honeydew production

Honeydew being produced by magnolia scale

Magnolia Scale Cluster

Branch Dieback Due to magnolia scale

Ants With magnolia scales

Tuliptree Scale

All magnolia scale Photos by Brian Kunkel, Extension Ornamental IPM Specialist, University of Delaware. Tuliptree scale picture by Gerald Lenhard, bugwood.org