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

Disease Hotline Issue 16

Rust found on Hypericum.  Photo provided by:  Bob Mulrooney, University of Delaware

 

 

 

 

Rust on upper leaf surface of hypericum.  Photo provided by:  Bob Mulrooney, University of Delaware

 

 

 

Pictures for fire blight have already been posted to the website.  Please search for these images with the search function.

 

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