Insect Hotline Issue 1


Witch hazel gall aphid on river birch. This aphid occurs later in the spring. Photo by: B. A. Kunkel, Ornamentals IPM Extension Specialist, University of Delaware

Witch hazel gall aphid on river birch. Photo by: B. A. Kunkel, Ornamentals IPM Extension Specialist, University of Delaware

Woolly beech aphids are active later in the spring. Photo provided by: B. A. Kunkel, Ornamentals IPM Extension Specialist, University of Delaware

Winged adult green peach aphid. Photo provided by: Scott Bauer, USDA Agricultural Research Service, Bugwood.org

Green peach aphid adult giving live birth. Photo provided by: Jim Baker, North Carolina State University, Bugwood.org

Green peach aphids (adults, winged adults, immatures). Photo provided by: Whitney Cranshaw, Colorado State University, Bugwood.org

What’s Hot HL Issue 8


Woolly beech aphid infestation. Photo by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware.

Woolly beech aphids. Photo by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware.

Imported willow leaf beetle larvae. Photo by: Paul Weston, Cornell University, Bugwood.org.

Imported willow leaf beetle adults. Photo by: David Cappaert, Michigan State University, Bugwood.org.