Ruth, D. S., Pacific Forestry Centre, Canadian Forestry Service Victoria, B.C., Canada

• Journal of the Entomological Society of British Columbia Vol. 84 (1987): Journal of the Entomological Society of British Columbia - Articles
  Effect of diatomaceous earth, malathion, dimethoate and permethrin on Leploglossus occidentalis (Hemiptera: Coreidae), a pest of conifer seed
  Abstract  PDF