European poplar shoot borer (Gypsonoma aceriana) is an insect pest. It is a native of Europe and was first detected in Seattle in 1998.
The European poplar shoot borer, Gypsonoma aceriana, is a known pest of poplars, including hybrid varieties, at times infesting up to 90 percent of growing tips. Older larvae bore into terminal shoots creating gall-like formations.
For more information about this plant pest, see the CABI data sheet.