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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
Maine Department of Conservation. 2000. Mountain ash sawfly. Maine Forest Service - Forest Health and Monitoring Division. 19 March 2012.
US Forest Service Alien Forest Pest Explorer, one can find maps of mountain ash sawfly distribution, and other pest information.
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