Warning: The following pest reports have not yet been confirmed with the appropriate
National Plant Protection Organization. They are provided solely as an early warning
to NAPPO countries, and all National and Regional Plant Protection Organizations
should use this information with caution.
Poplar shoot borer (of Europe) reported in Washington State, USA.
|Publicada: November 01, 2001|
Canadian Food Inspection Agency (CFIA)|
Miller, W.E. and E.H. LaGasa 2001. Proc. Entomol. Soc. Washington 103 :1020-1022
see also Emmet & Heath 1992, Zhang 1994, Karsholt & Razowski 1996.
The European poplar shoot borer,Gypsonoma aceriana (Duponchel) (Lepidoptera: Tortricidae), has recently been reported in King and Pierce counties, Washington State, USA. It is a significant pest of Populus spp. and their hybrids in plantations and tree nurseries in Europe. The young larva feeds first as a leafminer, then overwinters in crevices on host bark and feeds the following spring in branch terminals as a shoot borer. This insect has been considered a potential pest on dormant plant material of Populus spp. and their hybrids originating from off-continent (Europe). The European distribution ranges from Ireland and the United Kingdom north to Sweden and east to Russia. A related insect, the cottonwood twig borer Gypsonoma haimbachiana, occurs in eastern Canada, i.e., Ontario; Quebec [Prentice 1965 (1966), Nystrom & Britnell 1994, Handfield 1997].