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By: Gibson, Arthur, - Canada. Division of Entomology.Edition:Publication info: Ottawa, Govt. Print. Bureau, 1915Volume:Series:Holding Institution: Canadiana.orgSubjects: Army-worms Insect pestsBHL Collections:
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By: Gibson, Arthur, - Canada. Division of Entomology. - Dominion Experimental Farms and Stations (Canada)Edition:Publication info: Ottawa, Govt. Print. Bureau, 1912Volume:Series:Holding Institution: Canadiana.orgSubjects: Army-worms Cutworms Insect pestsBHL Collections: