Insect Hotline Issue 15

lilac ash borer1a

Pupal skin sticking out of the trunk of a tree.  Insect has emerged from the pupal skin which is left in the tree.  Photo provided by Whitney Cranshaw, Colorado State University, bugwood.org

 

 

ash borer, Podosesia syringae  (Lepidoptera: Sesiidae) - 1304043

Adult Lilac/ash borer, Podosesia syringae, pinned for viewing.  Photo provided by:  Carroll Younce, USDA-ARS, bugwood.org

Insect Hotline Issue 15

The pupal skin sticking out of the side ofthe tree is often one of the first signs lilac ash borer has infested a tree or shrub.  Photo provided by:  Whitney Cranshaw, Colorado State University, Bugwood.org

 

 

Mating pair of lilac/ash borers (Sessidae; a type of moth).  Photo provided by:  Whitney Cranshaw, Colorado State University, Bugwood.org

 

 

Larvae (pictured) borer through the wood as they feed.  Photo provided by:  David Cappaert, Michigan State University, Bugwood.org

What’s Hot HL Issue 15


Spruce spider mite damage. Photo provided by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware

Close-up of spider mite damage. Photo provided by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware

A cicada killer. Photo provided by: Edward L. Manigault, Clemson University Donated Collection, Bugwood.org

Lilac/ash borer adult. Photo provided by: Daniel Herms, The Ohio State University, Bugwood.org

Pupal case of a lilac/ash borer. Photo provided by: Whitney Cranshaw, Colorado State University, Bugwood.org