Privet Rust mites. Photo found at: http://ipm.ncsu.edu/AG189/html/Privet_Rust_Mite.HTML
Southern red mite damage. Photo provided by: Frank A. Hale, University of Tennessee, Bugwood.org
Spruce spider mite damage. Photo provided by: Eric R. Day, Virginia Polytechnic Institute and State University, Bugwood.org
Tag Archives: April
Disease Hotline Issue 2
Crabapple scab. Photo found at: http://www.ipm.iastate.edu/ipm/hortnews/files/images/Apple%20scab.preview.jpg
Botryosphaeria canker. Photo provided by: University of Georgia Plant Pathology Archive, University of Georgia, Bugwood.org
Black spot on roses. Photo provided by: Yuan-Min Shen, Taichung District Agricultural Research and Extension Station, Bugwood.org
Insect Hotline Issue 2
Pine weeping from Sirex noctilio oviposition holes in trunk. Photo provided by: Dennis Haugen, Bugwood.org
Sirex noctilio emergence holes. Photo provided by: Dennis Haugen, Bugwood.org
Sirex noctilio larva. Photo provided by: Dennis Haugen, Bugwood.org
Male Sirex noctilio adult. Photo provided by: David R. Lance, USDA APHIS PPQ, Bugwood.org
Female Sirex noctilio adult. Photo provided by: Stanislaw Kinelski, Bugwood.org
Sirex noctilio females often die when ovipositing into the tree. Photo provided by: Paula Klasmer, Instituto Nacional de Tecnologia Agropecuaria, Bugwood.org
Winter injury on pine (dessication). Photo found at: http://ppp.missouri.edu/newsletters/meg/archives/v7n1/desicpflex.jpg and photo by: Chris Starbuck.
Weed Hotline Issue 5
Poa annua (annual bluegrass) in a lawn. Photo by: Steve Dewey, Utah State University, Bugwood.org.
Poa annua plant. Photo by: Joseph M. DiTomaso, University of California – Davis, Bugwood.org.
Leaf tip of annual bluegrass plant. Note the canoe-shaped tip. Photo by: Joseph M. DiTomaso, University of California – Davis, Bugwood.org.
Annual bluegrass seeds. Photo by: Joseph M. DiTomaso, University of California – Davis, Bugwood.org.
Downy brome in daylily beds.
Downy brome in daylily beds.
Disease Hotline Issue 5
Entomosporium leaf spot on cherry laurel and photinia.
Volutella blight on the stem of pachysandra.
Volutella blight symptoms on pachysandra leaves.
Coleosporium rust (Aster rust) on loblolly pine needles. All photos provided by: Bob Mulrooney, Plant Pathology Specialist, University of Delaware.