Foliar nematode infesting hosta. Photo by: Bob Mulrooney, Plant Pathologist, University of Delaware
Foliar nematode infesting peony. Photo by: Bob Mulrooney, Plant Pathologist, University of Delaware
Plumbago foliar nematode. Photo by: Bob Mulrooney, Plant Pathologist, University of Delaware
Foliar nematodes infecting hosta. Photo found at:http://www.extension.umn.edu/yardandgarden/YGLNews/YGLNewsSept12007.html and taken by: Michelle Grabowski.
Sclerotium rolfsii (southern blight). Photo taken by: Nancy Gregory, University of Delaware Plant Diagnostician.
Tag Archives: 2008
Insect Hotline Issue 20
Fall webworm (red race) webbing at terminal end of branch. Photo by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware.
Fall webworms (red race) crawling around inside webbing. Photo by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware.
Fall webworm adult female and eggs. Photo provided by: Pennsylvania Department of Conservation and Natural Resources – Forestry Archive, , Bugwood.org
Fall webworm webbing at terminal end of branch. Photo provided by: G. Keith Douce, University of Georgia, Bugwood.org
Fall webworm larva, black head race. Photo provided by: Lacy L. Hyche, Auburn University, Bugwood.org
Fall webworm larva, red race. Photo provided by: Pennsylvania Department of Conservation and Natural Resources – Forestry Archive, , Bugwood.org
Wheel bug nymph eating fall webworm larva. Photo provided by: Lacy L. Hyche, Auburn University, Bugwood.org
Weed Hotline Issue 19
Hard fescue. Photo found at: http://www.fescue.com/adaptation/index.html
Creeping red fescue. Photo found at: http://www.fescue.com/maintenance/index.html
Chewings fescue. Photo found at: http://www.american-lawns.com/grasses/chewings_fescue.html
Disease Hotline Issue 19
Horsechestnut leaf blotch. 
Coleosporium rust (Aster rust) on golden rod.
Powdery mildew on Leucothoe. All photos by: Bob Mulrooney, Extension Plant Pathologist, University of Delaware.
Insect Hotline Issue 19
White grubs. Photo provided by: University of Georgia Entomology Archive, University of Georgia, Bugwood.org
White grubs. This image compares the size of three white grub species. Left to right: Japanese beetle, European Chafer, Junebug (Phyllophaga). Photo by: David Cappaert, Michigan State University, Bugwood.org