Plant Protection Division, Pest Program
Washington State Department of Agriculture
European Poplar Shoot Borer (EPSB) -
Western Washington Pheromone-trap Delimiting Survey and Field observations for European Poplar Shoot Borer,
Gypsonoma aceriana (Duponchel) (Lepidoptera: Torticidae),
an Old World Poplar Pest new to North America.
Gypsonoma aceriana
Eric H. LaGasa1, Patrik Hertzog2, Dan Barshis2, Kelley Turner2 and Hannah Smith2
2001 Entomology Project Report - WSDA PUB 034 (N/1/00) 2001
Executive Summary
A small stem-boring moth – larvae bore into growing tips of cottonwood and most poplar varieties, deforming and stunting tip and tree growth. The most serious poplar pest in Europe, it was first found in North America in Washington State in 2000, and in most of Western Washington in 2001.

Read the Full 2001 Report
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2001 EPSB Positive Catch Sites All 2001 EPSB Survey Sites 2001 Pierce County Flight Data Adult Gypsonoma aceriana
Remains of Fall Larval Leaf Feeding in Midrib Remains of Fall Larval Leaf Feeding Overwintering Refuge On Stem Overwintering Refuge (Open-Larva)
Spring Larval Tip Boring Site In Shoot Late Spring Larva EPSB Poplar Tip Galls Deformed Tip Galls