Sugden, B. A., Forest Entomology Laboratory Forest Entomology and Pathology Branch Canada Department of Forestry Vernon, B.C., Canada

• Journal of the Entomological Society of British Columbia Vol. 61 (1964): Proceedings of the Entomological Society of British Columbia - Articles
  Annotated list of forest insects of British Columbia Part XII. Boarmiini and Melanolophiini (Geometridae)
  Abstract  PDF