Indian forest insects of economic importance Coleoptera . ever, think itpossible that it may prove to be a sal girdler, girdling the branches orleaders of young saplings and laying its eggs in the part girdled. Its lifehistory requires working out. adusta, Wiedm. REFERENCES.—Wiedm. Zoo/. Mag. i, p. 182 (1819); Ind. Mus. Notes, iii, 5, 47. Habitat.—Madras ; Taunggyi, Southern ShanStates (H. W. Watson). Also from Ceylon. Tree Attacked.— Wrightia tinctoria. Madras. Beetle.—Elongate, rather narrow, easily recognized by thegreat resemblance of the upper surface to the decaying
Indian forest insects of economic importance Coleoptera . ever, think itpossible that it may prove to be a sal girdler, girdling the branches orleaders of young saplings and laying its eggs in the part girdled. Its lifehistory requires working out. adusta, Wiedm. REFERENCES.—Wiedm. Zoo/. Mag. i, p. 182 (1819); Ind. Mus. Notes, iii, 5, 47. Habitat.—Madras ; Taunggyi, Southern ShanStates (H. W. Watson). Also from Ceylon. Tree Attacked.— Wrightia tinctoria. Madras. Beetle.—Elongate, rather narrow, easily recognized by thegreat resemblance of the upper surface to the decaying ligneous strands of rough bark. General colourDescription. yellow with longitudinal dark brown or brownish black stripes, the basal portion of prothorax and elytra a rich velvety dark brown or black ; theextraordinary coloration of the beetle is due to the thickpubescence which clothes the whole surface, upper and lower,with the exception of smooth black finely punctate areas on theabdominal segments ; the pubescence appears in the form of long. FlG. 251. Xylorrhiza adusta*Wiedm. Madras. FAMILY CERAMBYCIDAE 377 hair or tufts on the front of the head and basal joint of antenna, joints 2 and 3 andthighs and tibiae of legs densely pubescent ; apices of elytra fringed with hairs, givingthem a frayed appearance. On vertex of head, on a median longitudinal line on prothorax,and on elytra, the dense pubescence is placed in the form of elongate yellow or brownlongitudinal lines and stripes, the lines curving inwards from shoulders and outwards againin apical fourth. Length, 30 mm. to 55 mm. But little appears to be known on the subject of the life history. Indian Museum Notes records that specimens of the insect were Life History. sent by the Conservator of Forests, Southern Circle, Madras, who reported that the beetles had been found ringing branches of ]VrigJitia tinctoria. The beetle rings stems and branchesin a manner similar to that of Sthenias grisator, and for the same
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbeetles, bookyear1914
