Ruhman, M. H.
-
Journal of the Entomological Society of British Columbia Vol. 3 (1913): Proceedings of the Entomological Society of British Columbia - Proceedings
The importance economic entomology as a subject of education
Abstract PDF -
Journal of the Entomological Society of British Columbia Vol. 11 (1920): Proceedings of the Entomological Society of British Columbia - Proceedings
Observations on the control of the onion-maggot (Hylemia antigua)
Abstract PDF -
Journal of the Entomological Society of British Columbia Vol. 11 (1920): Proceedings of the Entomological Society of British Columbia - Proceedings
Observations on the use of poison baits for the control of cutworms in 1918
Abstract PDF -
Journal of the Entomological Society of British Columbia Vol. 11 (1920): Proceedings of the Entomological Society of British Columbia - Proceedings
The Onion-Maggot
Abstract PDF