Tuesday, September 30, 2008
Thursday, September 18, 2008
Insect Hotline Issue 24
Western conifer seed bug nymphs. Photo provided by: Sandy Kegley, USDA Forest Service, Bugwood.org.
Western conifer seed bug adult. Photo provided by: Whitney Cranshaw, Colorado State University, Bugwood.org.
Two different color pattern morphs of Multicolored Asian lady beetle. Photo provided by: Louis Tedders, USDA Agricultural Research Service, Bugwood.org.
Multicolored Asian lady beetle eggs. Photo provided by: Clemson University - USDA Cooperative Extension Slide Series, , Bugwood.org.
Multicolored Asian lady beetle larva. Photo provided by: Joseph Berger, Bugwood.org.
Multicolored Asian lady beetle pupa. Photo provided by: Cheryl Moorehead, individual, Bugwood.org.
Monday, September 15, 2008
What's Hot HL Issue 23
Cercospora leafspot on rose. Photo by: Bob Mulrooney, Plant Pathologist, University of Delaware
Pyracantha scab on fruits. Photo by: Bob Mulrooney, Plant Pathologist, University of Delaware
Puss caterpillar. Photo by: Gerald J. Lenhard, , Bugwood.org
Puss caterpillar. Photo by: Lacy L. Hyche, Auburn University, Bugwood.org
Plumbago foliar nematode. Photo by: Bob Mulrooney, Plant Pathologist, University of Delaware
Disease Hotline Issue 23
Cercospora on Sourwood. Photo by: Bob Mulrooney, Plant Pathologist, University of Delaware
Oak anthracnose from a distance. Photo by: Joseph O'Brien, USDA Forest Service, Bugwood.org
Oak anthracnose. Photo by: Robert L. Anderson, USDA Forest Service, Bugwood.org
Insect Hotline Issue 23
Southern Red Mite eggs. Notice the hair coming off the egg. Photo by: Jim Baker, North Carolina State University, Bugwood.org
Damage caused by Southern Red mite. Photo by:Frank A. Hale, University of Tennessee, Bugwood.org
Southern Red Mite adult, nymph, and eggs. Photo by: Jim Baker, North Carolina State University, Bugwood.org
Spruce spider mite damage on older needles of Douglas fir. Photo by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware
Spruce spider mite adult. Photo by: Photo by USDA Forest Service - Northeastern Area Archive, USDA Forest Service
Spruce spider mite eggs. Photo by: Photo by USDA Forest Service Archive, USDA Forest Service
Friday, September 5, 2008
Disease Hotline Issue 22
Drought effects on tulip popular.
Cracked bark and bleeding on leyland cypress caused by drought.
Leaf scorch from drought on flowering dogwood.
Anthracnose on oak. All photos are provided by: Bob Mulrooney, Plant Pathologist, University of Delaware.
Insect Hotline Issue 22
Rose midge damage from a distance.
Rose midge damage.
Tip abortion caused by rose midges.
Rose midge damage (bull-necking)
Another picture of rose midge damage (bull-necking) and the white spots are midge larvae.
Close-up of rose larval midges under the sepal. All photos posted were found on the http://oregonstate.edu/dept/nurspest/rose_midge.htm website and appear to have been taken by Robin Rosetta.