. 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. 11 Larva.—The hrva when first hatched from the ork is seldom met ivith in th^ eSsTbv a hardenfn '*"''; tl ^"". '""V '"^ ^^^^"^ (commonly cSd '' fla™ se;Sa/m^"n?h^S"uf feed?'; '"*" ^'"' '" "^'^^ *»^^ '-^^ -">' -™-""-. LIFE-HISTORY Nnr^l*nol°*r^^*'"^ \° "?*^ ***^* Webster', discussing the habits of the flv in North Dakota, remark


. 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. 11 Larva.—The hrva when first hatched from the ork is seldom met ivith in th^ eSsTbv a hardenfn '*"''; tl ^"". '""V '"^ ^^^^"^ (commonly cSd '' fla™ se;Sa/m^"n?h^S"uf feed?'; '"*" ^'"' '" "^'^^ *»^^ '-^^ -">' -™-""-. LIFE-HISTORY Nnr^l*nol°*r^^*'"^ \° "?*^ ***^* Webster', discussing the habits of the flv in North Dakota, remarks that " the breeding season extends from about M^y 2S ' Circular No. 70. Bureau of Entomology V. S. Dopt. of 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