Insect Hotline Issue 17

Posted on August 1, 2008 by campus

Oak skeletonzier damage from far away. Photo by: Terry Price, Georgia Forestry Commission, Bugwood.org.

Close-up of oak skeletonizer damage. Photo by: James Solomon, USDA Forest Service, Bugwood.org.

Oak skeletonizer larva. Photo by: G. Keith Douce, University of Georgia, Bugwood.org.

Larvae and pupae of oak skeletonizer. Photo by: James Solomon, USDA Forest Service, Bugwood.org.

Oak lace bug damage. Photo by: USDA Forest Service – Northeastern Area Archive, USDA Forest Service, Bugwood.org.

Oak lace bugs. Photo by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware.

Gouty oak gall. Photo found on the following website: http://www.fs.fed.us/r8/foresthealth/pubs/oakpests/p33.html

Horned oak gall. Photo by: A. Steven Munson, USDA Forest Service, Bugwood.org.

Oak bullet gall far view. Photo by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware.

Close-up of oak bullet gall. Photo by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware.

Disease Hotline Issue 16

Posted on July 25, 2008 by campus

Botryosphaeria Canker damage viewed from far away on a redbud. Photo provided by Nancy Gregory, UD Plant Diagnostician.

Botryosphaeria Canker on the trunk of the redbud. Photo provided by Nancy Gregory, UD Plant Diagnostician.

Insect Hotline Issue 16

Posted on July 25, 2008 by campus

Banded wing whitefly. Photo courtesy of Dr. Dave Shetlar, The Ohio State University.

Greenhouse whitefly, pupae and adults. Notice the spines coming off the pupae and adults hold wings flatter and wider on body. Photo from UC Statewide IPM project.

Silverleaf whitefly, pupae and adults. Notice lack of spines on pupae and adults hold wings closer to the body. Photo from UC Statewide IPM project.

Mulberry whitefly. Photo by: Whitney Cranshaw, Colorado State University, Bugwood.org.

Azalea whitefly. Photo by Brian Kunkel, Ornamental IPM Specialist, University of Delaware.