What’s Hot HL Issue 15?

Yucca plant bug adult.  Photo provided by:  Jim Baker, North Carolina State University, Bugwood.org

 

 

Serpentine leaf miner on Magnolia.  Photo by:  Patti Kunkel

 

 

 

Redheaded flea beetle adult on Joe Pye weed.

 

 

 

Close-up of redheaded flea beetle adult.  Photo by:  Brian A. Kunkel, University of Delaware, Ornamentals IPM Extension Specialist

 

 

 

Palestriped flea beetle on cabbage.  Photo provided by:  Brian A. Kunkel, University of Delaware, Ornamentals IPM Extension Specialist

 

 

 

Invasive Insects to WATCH for because there are no recorded instances in Delaware yet!!

Ash trees with thinning canopies due to EAB feeding.  Photo provided by:  Brian A. Kunkel, University of Delaware

 

 

Epicormic growth and thinning canopy resulting from EAB feeding.  Photo provided by:  Eric R. Day, Virginia Polytechnic Institute and State University, Bugwood.org

 

 

 

 

Emerald Ash Borer (EAB) adult.  Photo provided by:  Debbie Miller, USDA Forest Service, Bugwood.org

 

 

 

Split bark on trunk or branches of ash trees may indicate the presence of EAB.  Photo provided by:  Brian A. Kunkel, University of Delaware

 

 

 

 

 

Notice the serpentine tunnels caused by EAB feeding.  Larva is next to the tip of the finger.  Tunnels are directly underneath the bark of the tree and are packed with frass.  Photo provided by:  Brian A. Kunkel, University of Delaware

 

 

 

 

Oviposition scar caused by female Asian longhorn beetles (ALB).  Photo provided by:  Dennis Haugen, USDA Forest Service, Bugwood.org

 

 

 

 

 

Damage caused by ALB.  Photo provided by:  Dennis Haugen, USDA Forest Service, Bugwood.org

 

 

 

 

 

 

Emergence hole caused by an emerging ALB adult.  Photo provided by:  Dennis Haugen, USDA Forest Service, Bugwood.org

 

 

 

 

 

Adult Asian longhorn beetle (ALB).  Photo provided by:  Dean Morewood, Health Canada, Bugwood.org

What’s Hot HL Issue 16


Tree showing signs of Emerald Ash Borer damage. Photo provided by: Brian Kunkel, Ornamentals IPM Specialist, University of Delware

Emerald ash borer adult and serpentine tunnels packed with frass. Photo provided by: Eric R. Day, Virginia Polytechnic Institute and State University, Bugwood.org

Tree damaged by Asian Longhorn beetle. Photo provided by: Pennsylvania Department of Conservation & Natural Resources – Forestry Archive, Bugwood.org

Emergence hole of Asian Longhorn beetle. Photo provided by: Kenneth R. Law, USDA APHIS PPQ, Bugwood.org

Asian Longhorn beetle. Photo provided by: Photo provided by: Pennsylvania Department of Conservation & Natural Resources – Forestry Archive, Bugwood.org

Another picture of rose midge damage (bull-necking) and the white spots are midge larvae. Photos found at: http://oregonstate.edu/dept/nurspest/rose_midge.htm website and appears to have been taken by Robin Rosetta.

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