Yellow nutsedge. Photo provided by: Steve Dewey, Utah State University, Bugwood.org
Crabgrass. Photo provided by: Joseph LaForest, University of Georgia, Bugwood.org
Tag Archives: June
Disease Hotline Issue 11
Frog-eye leaf spot on red maple. Photo by: Joseph O’Brien, USDA Forest Service, Bugwood.org
Bacteria blight on lilac. Twigs turn black and wilt from the tips back to the stem. (provided by Karen L. Snover-Clift, Cornell University) Photo found at: http://plantclinic.cornell.edu/FactSheets/LilacBactBlight/lilacbactblight.htm
Bacteria blight on lilac. Leaves often show damage around the margins and/or along the central vein. (provided by Karen L. Snover-Clift, Cornell University). Photo found at: http://plantclinic.cornell.edu/FactSheets/LilacBactBlight/lilacbactblight.htm
Insect Hotline Issue 11
Bagworm hanging from host terminal branch. 
Bagworm larva in opened bag.
Adult male bagworm. All photos provided by: Pennsylvania Department of Conservation and Natural Resources – Forestry Archive, , Bugwood.org
Weed Hotline Issue 10
White clover. Photo provided by: Chris Evans, River to River CWMA, Bugwood.org
Disease Hotline Issue 10
Figure 1: An artillery fungus spore packet within the cup. (provided by the Plant Disease Diagnostic Clinic, Cornell University.)
Figure 2: Artillery fungus spore packets stuck on the vinyl siding of a house. (provided by the Plant Disease Diagnostic Clinic, Cornell University.)
Both images were found at the following website: http://plantclinic.cornell.edu/FactSheets/artfungus/artilleryfungus.htm