Indian forest insects of economic importance Coleoptera . X 8. X8 major, Steb. 2. Polygraphns pint, Steb. 3. Tomicus ribbentropi,larva ; b, pupa ; c, male ; d, female beetles. North-West Himalaya. FAMILY SCOLYTIDAE 501 POLYGRAPHUS. An important genus containing several serious coniferous pests in theNorth-West Himalaya. Polygraphus major, Stebbing.(The Blue Pine Polygraphus.) REFERENCES.—Stebbing, Depart. Notes, i, p. 234 (1903); id. Ind. For. Mem. Zool. Set. vol. i, pt. i, p. 6 (1908). Habitat.—North-West Himalaya. Trees Attacked.—Blue Pine (Pinus excelsa) ; Spruce (Picea morinda) ;Deodar (Ce
Indian forest insects of economic importance Coleoptera . X 8. X8 major, Steb. 2. Polygraphns pint, Steb. 3. Tomicus ribbentropi,larva ; b, pupa ; c, male ; d, female beetles. North-West Himalaya. FAMILY SCOLYTIDAE 501 POLYGRAPHUS. An important genus containing several serious coniferous pests in theNorth-West Himalaya. Polygraphus major, Stebbing.(The Blue Pine Polygraphus.) REFERENCES.—Stebbing, Depart. Notes, i, p. 234 (1903); id. Ind. For. Mem. Zool. Set. vol. i, pt. i, p. 6 (1908). Habitat.—North-West Himalaya. Trees Attacked.—Blue Pine (Pinus excelsa) ; Spruce (Picea morinda) ;Deodar (Cedrus deodar a}. Jaunsar, Simla, Kumaun, Tehri Garhwal, Chamba. Beetle.— Oblong, sub-cylindrical. Head and prothorax black, shining. Elytra chest-nut brown to black, covered with a short dense greyish or yellowish pubescence very charac-teristic of the beetle. Antennae yellow, club chestnut brown with aDescription. grey pubescence. Legs chestnut brown to black (more usually the latter), tarsi yellow. Head with an almost circular brush of longish yello
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbeetles, bookyear1914
