Successful dissemination of <i>Lathrolestes ensator</i> (Ichneumonidae), a larval parasite of the apple sawfly, <i>Holocampa testudinea</i> (Tenthredinidae)

Tuesday, December 15, 2009: 8:51 AM

Room 201, Second Floor (Convention Center)

Charles Vincent , Horticultural Research and Development Centre, Agriculture & Agri-Food Canada, Saint-Jean-sur-Richelieu, QC, Canada

Margaret Appleby , Ontario Ministry of Agriculture, Food & Rural Affairs (OMAFRA), Brighton, ON, Canada

Alan Eaton , Entomology Department, Nesmith Hall, University of New Hampshire, Durham, NH

Jacques Lasnier , Co-Lab R&D, Ag-Cord, Inc., Granby, QC, Canada

Introduced in North America in the 40s, the apple sawfly, Holocampa testudinea, invaded apple orchards of northeastern North America. From 1994 to 2001, apple sawfly cocoons parasitized by Lathrolestes ensator were imported from Western Europe and released yearly in an unsprayed orchard at Frelighsburg, Quebec, Canada. This orchard served a source orchard for the second step of the program. From 2002 to 2009, the parasite has been successfully disseminated in two locatilies in Quebec and one locality in Ontario. The logistics and implications of that program will be dicussed.

doi: 10.1603/ICE.2016.42214

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0654 Successful dissemination of Lathrolestes ensator (Ichneumonidae), a larval parasite of the apple sawfly, Holocampa testudinea (Tenthredinidae)