Saturday, October 31, 2009
Friday, October 16, 2009
Disease Hotline Issue 26
Symptoms of girdling roots on tree. Photo provided by: Roland J. Stipes, Virginia Polytechnic Institute and State University, Bugwood.org
Girdling roots. Photo provided by: Joseph O'Brien, USDA Forest Service, Bugwood.org
Symptoms of Ganoderma root rot. Photo provided by: Division of Plant Industry Archive, Florida Department of Agriculture and Consumer Services, Bugwood.org
Fruiting bodies of Ganoderma root rot. Photo provided by: Minnesota Department of Natural Resources Archive, Minnesota Department of Natural Resources, Bugwood.org
Fruiting bodies of Ganoderma root rot. Photo provided by: USDA Forest Service - Region 8 Archive, USDA Forest Service, Bugwood.org
Insect Hotline Issue 26
Brown marmorated stink bug adult. Photo provided by: David R. Lance, USDA APHIS PPQ, Bugwood.org
Brown marmorated stink bug nymphs and empty eggs. Photo provided by: David R. Lance, USDA APHIS PPQ, Bugwood.org
Friday, October 2, 2009
Culture Hotline Issue 25
Fall colors. Photo provided by: Paul Bolstad, University of Minnesota, Bugwood.org
Disease Hotline Issue 25
Lawn with rust infestation. Photo found at: http://www.ces.purdue.edu/extmedia/BP/BP-110-W.pdf
Close-up of rust on turfgrass. Photo found at: http://www.ces.purdue.edu/extmedia/BP/BP-110-W.pdf
Dog stinkhorn fungus. Photo provided by: Teresa Mardis, Bugwood.org
Insect Hotline Issue 25
White prunicola scale adults on holly. Photo provided by: B. A. Kunkel, Ornamentals IPM Extension Specialist, University of Delaware
European hornet and damage. Photo provided by: Louis-Michel Nageleisen, Département de la Santé des Forêts, Bugwood.org
Wednesday, September 30, 2009
Friday, September 18, 2009
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
Weed Hotline Issue 24
Fox grape foliage. Photo provided by: Keith Weller, USDA Agricultural Research Service, Bugwood.org
Disease Hotline 24
Phyllosticta leaf spot on maple. Photo provided by: Joseph O'Brien, USDA Forest Service, Bugwood.org
Insect Hotline 24
Western conifer-seed bug. Photo provided by: Gyorgy Csoka, Hungary Forest Research Institute, Bugwood.org
Multi-colored Asian lady beetle eggs. Photo provided by: Clemson University - USDA Cooperative Extension Slide Series, , Bugwood.org
Multi-colored Asian lady beetle larva. Photo provided by: Whitney Cranshaw, Colorado State University, Bugwood.org
Multi-colored Asian lady beetle larva. Photo provided by: Clemson University - USDA Cooperative Extension Slide Series, , Bugwood.org
Multi-colored Asian lady beetle pupa. Photo provided by: Whitney Cranshaw, Colorado State University, Bugwood.org
Multi-colored Asian lady beetle adults (two color morphs). Photo provided by: Louis Tedders, USDA Agricultural Research Service, Bugwood.org
Friday, September 4, 2009
What's Hot HL Issue 23
Eastern yellow jacket, a common ground nesting wasp. Photo provided by: Johnny N. Dell, Bugwood.org
Slime mold in turfgrass. Photo provided by: Mary Ann Hansen, Virginia Polytechnic Institute and State University, Bugwood.org
Disease Hotline Issue 23
Antracnose on maple. Photo provided by: Paul Bachi, University of Kentucky Research & Education Center, Bugwood.org
Close-up of anthracnose on maple. Photo provided by: Paul Bachi, University of Kentucky Research & Education Center, Bugwood.org
Antracnose on maple. Photo provided by: USDA Forest Service Archive, USDA Forest Service, Bugwood.org
Botrytis blight on stem. Photo provided by: Michelle Grabowski, University of Minnesota Extension - Horticulture, Bugwood.org
Septoria leaf spot on dogwood. Photo provided by: Paul Bachi, University of Kentucky Research & Education Center, Bugwood.org
Insect Hotline Issue 23
Southern red mite eggs, adult, and immature. Photo provided by: Jim Baker, North Carolina State University, Bugwood.org
Southern red mite eggs. Photo provided by: Jim Baker, North Carolina State University, Bugwood.org
Spruce spider mite feeding damage. Damage occurs on older foliage first. Photo provided by: USDA Forest Service - Region 4 Archive, USDA Forest Service, Bugwood.org
Spruce spider mite adult and egg. Photo provided by: USDA Forest Service - Northeastern Area Archive, USDA Forest Service, Bugwood.org
