Powdery mildew. Photo by: Brian Kunkel, Ornamentals IPM Extension Specialist, University of Delaware
Japanese Maple scale on holly. Photo by: Brian Kunkel, Ornamentals IPM Extension Specialist, University of Delaware
Tuliptree/magnolia scales on magnolia. Photo by: Brian Kunkel, Ornamentals IPM Extension Specialist, University of Delaware
Tag Archives: Hot in August
What’s Hot HL Issue 20
Harlequin bug adult. Photo provided by: Whitney Cranshaw, Colorado State University, Bugwood.org
Harlequin bug eggs. Photos provided by: Whitney Cranshaw, Colorado State University, Bugwood.org
Harlequin bug nymph. Photo provided by: Whitney Cranshaw, Colorado State University, Bugwood.org
Harlequin bug nymph. Photo provided by: Edward L. Manigault, Clemson University Donated Collection, Bugwood.org
What’s Hot HL Issue 19
Saddleback caterpillars. These have stinging hairs. Photo provided by: Robert L. Anderson, USDA Forest Service, Bugwood.org
Banded tussock moth – caterpillar stage (immature). These hairs do not sting. Photo provided by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware
White-marked tussock moth –caterpillar stage (immature). These hairs do not sting. Photo provided by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware
What’s Hot HL Issue 18
Off color green and white specks on bald cypress indicate bald cypress rust mites. Photo provided by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware
Close-up of a rust mite on Canada thistle. Photo provided by: Eric Erbe, USDA Agricultural Research Service, Bugwood.org
Locust leafminer damage. Photo provided by: John A. Weidhass, Virginia Polytechnic Institute and State University, Bugwood.org
Another view of locust leafminer damage. Photo provided by: Chris Evans, River to River CWMA, Bugwood.org
Locust leafminer life stages (egg, larva, pupa, adult [left to right]). Photo provided by: Bruce W. Kauffman, Tennessee Department of Agriculture, Bugwood.org
Peony leaf blotch. Photo found at: http://www.plantpath.iastate.edu/pdc/node/137
What’s Hot HL Issue 22
Features of Asian longhorned beetle. Photo provided by: Kenneth R. Law, USDA APHIS PPQ, Bugwood.org
Asian longhorned beetle exit holes and egg laying scar. Photo provided by: Kenneth R. Law, USDA APHIS PPQ, Bugwood.org
Egg laying scar on tree caused by Asian longhorned beetle. Photo provided by: Kenneth R. Law, USDA APHIS PPQ, Bugwood.org
Asian longhorned beetle adult. Photo provided by: Pennsylvania Department of Conservation and Natural Resources – Forestry Archive, Bugwood.org
Asian longhorned beetle larva in feeding gallery. Photo provided by: Steven Katovich, USDA Forest Service, Bugwood.org
Asian longhorned beetle larva. Photo provided by: Kenneth R. Law, USDA APHIS PPQ, Bugwood.org
Close-up of Japanese maple scale adults. Photo provided by: Central Science Laboratory, Harpenden Archive, British Crown, Bugwood.org
Ash borer larva. Photo provided by: David Cappaert, Michigan State University, Bugwood.org
Ash borer adult. Photo provided by: Daniel Herms, The Ohio State University, Bugwood.org
Puss caterpillar. Photo provided by: Gerald J. Lenhard, Louiana State Univ, Bugwood.org