What’s Hot HL Issue 13


Fall webworm damage & webbing. Photo provided by: Brian Kunkel, Ornamentals IPM Specialist, University of Delware

Hollyhock rust on upper surface of the leaf. Photo found at http://plantclinic.cornell.edu/FactSheets/hollyhockrust/hollyhockrust.htm & provided by: Dawn Dailey O’Brien, Cornell University

Hollyhock rust on underside of the leaf. Photo found at http://plantclinic.cornell.edu/FactSheets/hollyhockrust/hollyhockrust.htm & provided by: Dawn Dailey O’Brien, Cornell University

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

What’s Hot HL Issue 21


Fall webworms. Photo provided by: B. A. Kunkel, Ornamentals IPM Extension Specialist, University of Delaware

Scoliid wasp. Photo provided by: B. A. Kunkel, Ornamentals IPM Extension Specialist, University of Delaware

Cicada killer with prey. Photo provided by: Howard Ensign Evans, Colorado State University, Bugwood.org

Saddleback caterpillars. Photo provided by: Robert L. Anderson, USDA Forest Service, Bugwood.org

Insect Hotline Issue 21


Early instar oak skeletonizer. Photo provided by: G. Keith Douce, University of Georgia, Bugwood.org

Oak skeletonizer. Larvae feed on undersides of the leaf and top side of leaf remains. White areas along veins are where insect molts from stage to stage and pupates. Photo provided by: Ronald S. Kelley, Vermont Department of Forests, Parks and Recreation, Bugwood.org

One color morph of yellownecked caterpillars. Photo provided by: Gerald J. Lenhard, Louiana State Univ, Bugwood.org

Color morph of yellownecked caterpillar. Photo provided by: Eric R. Day, Virginia Polytechnic Institute and State University, Bugwood.org

Color morph of yellownecked caterpillar. Photo provided by: Gerald J. Lenhard, Louiana State Univ, Bugwood.org

What’s Hot HL Issue 19


Cicada killer adult wasp. Photo provided by: Jessica Lawrence, Eurofins Agroscience Services, Bugwood.org

Prey items brought back to the nest to have eggs laid on them. Photo provided by: Kenneth R. Law, USDA APHIS PPQ, Bugwood.org

Pine needle scale. Photo provided by: United States National Collection of Scale Insects Photographs Archive, USDA Agricultural Research Service, Bugwood.org

Catalpa sphinx moth adult. Photo provided by: Herbert A. “Joe” Pase III, Texas Forest Service, Bugwood.org

Catalpa sphinx moth caterpillar. Photo provided by: Lacy L. Hyche, Auburn University, Bugwood.org

Catalpa sphinx moth caterpillar. Photo provided by: Lacy L. Hyche, Auburn University, Bugwood.org