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
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