Ornamentals Hotline Issue 9

May 19, 2015 in Uncategorized

Anthracnose on maple.  Photo credit:  Nancy Gregory

Anthracnose on maple. Photo credit: Nancy Gregory

Daylily rust.  Photo credit: Nancy Gregory

Daylily rust. Photo credit: Nancy Gregory

Lacebug  close up. Photo credit: Brian Kunkel

Lacebug close up. Photo credit: Brian Kunkel

Lace bug adults, nymphs and tar spots. Photo credit: Brian Kunkel

Lace bug adults, nymphs and tar spots. Photo credit: Brian Kunkel

Azalea lace bug damage.  Photo credit:  Brian Kunkel

Azalea lace bug damage. Photo credit: Brian Kunkel

Ornamentals Hotline Issue 8

May 13, 2015 in Uncategorized

Botrytis blight on greenhouse stock.  Photo credit: Nancy Gregory

Botrytis blight on greenhouse stock. Photo credit: Nancy Gregory

Close up of oystershell scales and crawlers.  Photo credit: Brian Kunkel

Close up of oystershell scales and crawlers. Photo credit: Brian Kunkel

Don’t move firewood.  Photo credit:  Nancy Gregory

Don’t move firewood. Photo credit: Nancy Gregory

Cluster of oyster shell scales.  Photo credit: Brian Kunkel

Cluster of oyster shell scales. Photo credit: Brian Kunkel

Damage from oystershell scale on rose.  Photo credit: Brian Kunkel

Damage from oystershell scale on rose. Photo credit: Brian Kunkel

Ornamentals Hotline Issue 7

May 7, 2015 in Uncategorized

Small Insularis Boxwood cultivar 'Nana'. Photo credit: Nancy Gregory

Small Insularis Boxwood cultivar ‘Nana’. Photo credit: Nancy Gregory

Oedema on leaves of Camellia japonica.  Photo credit:  Nancy Gregory

Oedema on leaves of Camellia japonica. Photo credit: Nancy Gregory

Honey locust plant bug damage. Photo credit: Whitney Cranshaw: Colorado State University; bugwood.org

Honey locust plant bug damage. Photo credit: Whitney Cranshaw: Colorado State University; bugwood.org

Honeylocust plant bug.  Photo credit: John A. Weidhass; Virginia Polytechnic Institute and State University

Honeylocust plant bug. Photo credit: John A. Weidhass; Virginia Polytechnic Institute and State University

Ornamentals Hotline Issue 6

April 28, 2015 in Uncategorized

Boxwood leafminer larvae. Photo credit:  Nancy Gregory

Boxwood leafminer larvae. Photo credit: Nancy Gregory

Bacterial wetwood on Dogwood. Photo credit: J. Testa, Mt Cuba Center

Bacterial wetwood on Dogwood. Photo credit: J. Testa, Mt Cuba Center

Bacterial wetwood on dogwood. Photo credit: R. Larkin, Nemours Garden

Bacterial wetwood on dogwood. Photo credit: R. Larkin, Nemours Garden

Winter injury on liriope. Photo credit: Tomlinsonbomberger.

Winter injury on liriope. Photo credit: Tomlinsonbomberger.

Ornamentals Hotline Issue 5

April 22, 2015 in Uncategorized

Ambrosia beetle frass.  Photo credit: Brian Kunkel

Ambrosia beetle frass. Photo credit: Brian Kunkel

Ambrosia beetle damage on cherry. Photo credit: Brian Kunkel

Ambrosia beetle damage on cherry. Photo credit: Brian Kunkel

Golden canker on Cornus alternifolia. Photo credit: Nancy Gregory

Golden canker on Cornus alternifolia. Photo credit: Nancy Gregory

Monilinia on Kwanzan cherry. Photo credit: Nancy Gregory

Monilinia on Kwanzan cherry. Photo credit: Nancy Gregory

Ornamentals Hotline Issue 4

April 22, 2015 in Uncategorized

 

Galls of cedar-apple rust with telial spore horns. Photo credit: Glenn Gladders

Galls of cedar-apple rust with telial spore horns. Photo credit: Glenn Gladders

Easter tent caterpillar web webbing. Photo credit: Brian Kunkel

Easter tent caterpillar web webbing. Photo credit: Brian Kunkel

Egg mass of Eastern tent caterpillar. Photo credit: Brian Kunkel

Egg mass of Eastern tent caterpillar. Photo credit: Brian Kunkel

Phomopsis galls on forsythia.  Photo credit: Nancy Gregory

Phomopsis galls on forsythia. Photo credit: Nancy Gregory

Ornamentals Hotline Issue 3

April 10, 2015 in Uncategorized

Leaf spotting characteristic of boxwood blight.  Photo credit: Nancy Gregory

Leaf spotting characteristic of boxwood blight. Photo credit: Nancy Gregory

Forsythia x intermedia in bloom corresponding to Eastern tent caterpillar hatch.  Photo credit: Tracy Wootten

Forsythia x intermedia in bloom corresponding to Eastern tent caterpillar hatch. Photo credit: Tracy Wootten

Magnolia stellata in bloom corresponding to Eastern Tent Caterpillar hatch.  Photo credit:  Tracy Wootten

Magnolia stellata in bloom corresponding to Eastern tent caterpillar hatch. Photo credit: Tracy Wootten

Spore masses of Calonectria (white) and Volutella  (orange). Photo credit: Nancy Gregory

Spore masses of Calonectria (white) and Volutella (orange). Photo credit: Nancy Gregory

 

Ornamentals Hotline Issue 2 2015

April 3, 2015 in Uncategorized

Brian Kunkel teaching Greenhouse IPM.  Photo credit: Tracy Wootten

Brian Kunkel teaching Greenhouse IPM. Photo credit: Tracy Wootten

video link

One of the recovered Beltsville specimens of Trissolcus japonicas emerges from a BMSB egg.  Photo credit: Elijah Talamas, USDA Agricultural Research Service, Systematic Entomology Laboratory

One of the recovered Beltsville specimens of Trissolcus japonicas emerges from a BMSB egg. Photo credit: Elijah Talamas, USDA Agricultural Research Service, Systematic Entomology Laboratory

Dutch elm disease. Photo credit: William M. Brown, Jr., Bugwood.org

Dutch elm disease. Photo credit: William M. Brown, Jr., Bugwood.org

Rubbing branches. Photo credit: Tracy Wootten

Rubbing branches. Photo credit: Tracy Wootten

Ornamentals Hotline Issue 1 2015

March 30, 2015 in Uncategorized

Salt damage winter 2014.  Photo credit: Nancy Gregory

Salt damage winter 2014. Photo credit: Nancy Gregory

Eastern tent caterpillar webbing.  Photo credit: Brian Kunkel

Eastern tent caterpillar webbing. Photo credit: Brian Kunkel

Flowering plum winter crack. Photo credit: Nancy Gregory

Flowering plum winter crack. Photo credit: Nancy Gregory

Eastern tent caterpillar larvae.  Photo credit: Lacy L. Hyche, Auburn University, www. insectimages.org

Eastern tent caterpillar larvae. Photo credit: Lacy L. Hyche, Auburn University, www. insectimages.org

 

Ornamentals Hotline Issue 26

November 14, 2014 in Uncategorized

White prunicola scale.  Photo credit: Brian Kunkel

White prunicola scale. Photo credit: Brian Kunkel

Phytopthora root rot on Christmas trees.  Photo credit: Tracey Olson, PA Dept. of Ag

Phytopthora root rot on Christmas trees. Photo credit: Tracey Olson, PA Dept. of Ag