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

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