Photos of white clover have already been posted online. Please use the search function to locate the images. Unable to locate suitable image for verticillium wilt. Images of brown marmorated stink bugs, white prunicola, euonymus and Japanese maple scales are already posted to the site also.
Category Archives: Insects
Insect Hotline Issue 9
Photos for pine needle scale have been posted previously. Please use the search function to locate these images.
Insect Hotline Issue 6
Elongate hemlock scale images have been posted previously online. Please use the search function to find the images.
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.