Nigam, P. C., Forest Pest Management Institute Canadian Forestry Service Environment Canada Sault Ste. Marie, ON, Canada

• Journal of the Entomological Society of British Columbia Vol. 77 (1980): Journal of the Entomological Society of British Columbia - Articles
  Chemical control of balsam wooly aphid (Homoptera: Adelgidae) on seedlings of Abies amabilis
  Abstract  PDF