Insect enemies of the pine in the Black Hills forest reserve : an account of results of special investigations, with recommendations for preventing losses . Fig. 4.—Work of the Oregon Tomicus. Primary galleries en-graved in surface of wood. Central chamber extending intowood. Reduced about one-half (original). The Western form seems to be sufficiently different in some minor characters towarrant {\\\< distinction in variety name—occidental^. Bui. 32, New Series, Div. of Entomology, U. S. Dept. of Agriculture. Plate jt^iifct T^ jJ? j^y^? .^r- ,^fC^| ^TP^Gte* . , ;v :.???-;•

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Insect enemies of the pine in the Black Hills forest reserve : an account of results of special investigations, with recommendations for preventing losses . Fig. 4.—Work of the Oregon Tomicus. Primary galleries en-graved in surface of wood. Central chamber extending intowood. Reduced about one-half (original). The Western form seems to be sufficiently different in some minor characters towarrant {\\\< distinction in variety name—occidental^. Bui. 32, New Series, Div. of Entomology, U. S. Dept. of Agriculture. Plate jt^iifct T^ jJ? j^y^? .^r- ,^fC^| ^TP^Gte* . , ;v :.???-;•? • ! » ~=^ij . V^jt^lS^i iJirr^tTS f#5^fTV -^5 -•^Sffiyyl* Pl--^^,^;^^ ^^^^^^fe^^^3£Sr Bui. 32, New Series, Div. of Entomology, U. S. Dept. of Agriculture. Plate IV.

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Keywords: ., bookcentury1900, bookdecade1900, bookidinsecp00unit, bookyear1902