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mountain ash sawfly
Photo: Norman Buckley
   

 
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Mountain ash sawfly

Mountain ash sawfly, Pristiphora geniculata (Hartig), was just confirmed present in the summer of 2009 in Snohomish County, Washington State. It is a new western North American record for this insect. Useful links:

Forest Pests: Mountain ash sawfly

Cornell Insect diagnostic lab: mountain sawfly

US Forest Service map of mountain ash sawfly distribution

 
Mountain ash sawfly larva
mountain-ash sawfly larva
Photo: Dave Pehling, WSU
Mountain ash sawfly larva
mountain-ash sawfly larva
Photo: Dave Pehling, WSU
Mountain ash sawfly larvae
mountain ash sawflies
Photo: Norman Buckley
Mountain ash sawfly larvae feeding
mountain-ash sawfly larvae
Steven Katovich, USDA Forest Service, Bugwood.org
Mountain ash sawfly feeding and damage
mountain-ash sawfly and damage
Photo: Dave Pehling, WSU
Damage from mountain ash sawfly
mountain-ash sawfly damage
Photo: Joselph O'Brien, USDA Forest Service, Bugwood.org
Website editor:
Robin Rosetta

Page last modified 8/25/09

  

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