Disease Hotline Issue 23


Anthracnose on maple. Photo provided by: Paul Bachi, University of Kentucky Research & Education Center, Bugwood.org

Close-up of anthracnose on maple. Photo provided by: Paul Bachi, University of Kentucky Research & Education Center, Bugwood.org

Antracnose on maple. Photo provided by: USDA Forest Service Archive, USDA Forest Service, Bugwood.org

Botrytis blight on stem. Photo provided by: Michelle Grabowski, University of Minnesota Extension – Horticulture, Bugwood.org

Septoria leaf spot on dogwood. Photo provided by: Paul Bachi, University of Kentucky Research & Education Center, Bugwood.org

Insect Hotline Issue 23


Southern red mite eggs, adult, and immature. Photo provided by: Jim Baker, North Carolina State University, Bugwood.org

Southern red mite eggs. Photo provided by: Jim Baker, North Carolina State University, Bugwood.org

Spruce spider mite feeding damage. Damage occurs on older foliage first. Photo provided by: USDA Forest Service – Region 4 Archive, USDA Forest Service, Bugwood.org

Spruce spider mite adult and egg. Photo provided by: USDA Forest Service – Northeastern Area Archive, USDA Forest Service, Bugwood.org

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