The Canadian Food Inspection Agency recently (June 27, 2011) updated the "List of North American Gypsy Moth [Lymantria dispar dispar] Infested or Suspected Infested Areas of Canada".
New additions to the list of already infested or suspected infested areas of Canada include the following:
ONTARIO: Brant County - City of Brantford; Community of Chatham-Kent; City of Kawartha Lakes; Muskoka District; District of Parry Sound; City of Toronto; Regional Municipality of York.
For a complete list of all of the North American Gypsy moth regulated areas within Canada, please visit the CFIA website at http://www.inspection.gc.ca/english/plaveg/protect/dir/gmlist_e.shtml
Under IPPC Standards, North American Gypsy moth is considered present, only is some parts of Canada, and under official control.
For further background on the North American Gypsy moth in Canada, please visit: http://www.inspection.gc.ca/english/plaveg/pestrava/lymdis/lymdisee.shtml