Showing posts with label 2009. Show all posts
Showing posts with label 2009. Show all posts
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
