What’s Hot HL Issue 3


Aphids on Spirea. Photo provided by: Whitney Cranshaw, Colorado State University, Bugwood.org

Spot anthracnose on petals. Photo provided by: Division of Plant Industry Archive, Florida Department of Agriculture and Consumer Services, Bugwood.org

Spot anthracnose on foliage. Photo provided by: Division of Plant Industry Archive, Florida Department of Agriculture and Consumer Services, Bugwood.org

Boxwood psyllid close-up. Photo provided by: Nancy Gregory, University of Delaware, Bugwood.org

Boxwood leafminer damage and larvae. Photo provided by: John A. Weidhass, Virginia Polytechnic Institute and State University, Bugwood.org

White pine weevil adult. Photo provided by: Juliana Cardona-Duque, University of Puerto Rico, Bugwood.org

What’s Hot HL Issue 2


Pitch on branches sign of white pine weevil feeding and oviposition. Photo provided by: E. Bradford Walker, Vermont Department of Forests, Parks and Recreation, Bugwood.org

Mating pair of white pine weevil. Photo provided by: Daniel Herms, The Ohio State University, Bugwood.org

Water logged soils. Photo provided by: Brian Kunkel, Ornamental IPM Extension Specialist, University of Delaware.

Insect Hotline Issue 4


White pine weevil adult. Photo by: Natasha Wright, Florida Department of Agriculture and Consumer Services, Bugwood.org.

White pine weevil damage. Photo by: Daniel Herms, The Ohio State University, Bugwood.org.

White pine weevil larvae. Photo by: William M. Ciesla, Forest Health Management International, Bugwood.org.

Insect Hotline Issue 2



Adult white pine weevils. Photo by Dave Powell, USDA Forest Service, Bugwood.org

“Shepard’s hook”. Pruning before the first whorl of branches is reached makes it easier to train a new leader. Photos by Whitney Cranshaw, Colorado State University (top), E. Bradford Walker, Vermont Department of Forests, Parks and Recreation, Bugwood.org (both pictures on bugwood).

Larvae tunnel just under the bark, eventually girdling the leader and killing it. Photo by E. Bradford Walker, Vermont Department of Forests, Parks and Recreation, Bugwood.org.