. The Hessian-fly and the western wheat-stem saw-fly in Manitoba, Saskatchewan and Alberta [microform]. Insectes nuisibles, Lutte contres les; Flies; Mouches; Insect pests. 17. "^"thlll^tul^lllirolT^trl^^^^^ R. 4 M.: i. straw cut open the ground: S. stub, oTw with larvi^n ^^^'"8 hpwstem is severedn?^ m» (^^- » """d I) (Original). ^^ "" °' ">« '"^v*- All figures natural siie. INTRODUCTION. Agropyren, of which our common rye or whKS;.T '^ belonging to the genus Mnall economic importance, a„3 deZded fof'Sf i!,"? ""^"P''- &qu

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. The Hessian-fly and the western wheat-stem saw-fly in Manitoba, Saskatchewan and Alberta [microform]. Insectes nuisibles, Lutte contres les; Flies; Mouches; Insect pests. 17. "^"thlll^tul^lllirolT^trl^^^^^ R. 4 M.: i. straw cut open the ground: S. stub, oTw with larvi^n ^^^'"8 hpwstem is severedn?^ m» (^^- » """d I) (Original). ^^ "" °' ">« '"^v*- All figures natural siie. INTRODUCTION. Agropyren, of which our common rye or whKS;.T '^ belonging to the genus Mnall economic importance, a„3 deZded fof'Sf i!,"? ""^"P''- " "" 'hen of by para.,tes, upon the number of flS„t„VleS ^^LlS We'^^uTn. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Criddle, Norman; Canada. Division of Entomology. Ottawa : Gov't Printing Bureau

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1915