Indian forest insects of economic importance Coleoptera . ttacked.—Sal (Shorea robust a). Goalpara. Beetle.—Small, shining. Head black, prothorax dark brown, elytra yellowish green,apical third brown. Under-surface of metathorax dark brown, rest lighter-coloured ; legs yellowish brown. From anterior edge of frontDescription. of head arises a transverse ridge of stout yellow hairs divided into four groups which extend upwards and backwards over whole front to middle of vertex ;between the eyes are two large clusters of similar hairs, also dividedinto groups, the inner pair of which extend strai


Indian forest insects of economic importance Coleoptera . ttacked.—Sal (Shorea robust a). Goalpara. Beetle.—Small, shining. Head black, prothorax dark brown, elytra yellowish green,apical third brown. Under-surface of metathorax dark brown, rest lighter-coloured ; legs yellowish brown. From anterior edge of frontDescription. of head arises a transverse ridge of stout yellow hairs divided into four groups which extend upwards and backwards over whole front to middle of vertex ;between the eyes are two large clusters of similar hairs, also dividedinto groups, the inner pair of which extend straight out from front, butare slightly bent downwards at tips and then end abruptly, having atotal length of over .5 mm. ; the other two groups are twisted roundthe first pair and then cross the middle of the front, thus concealingnearly the whole frontal surface. Prothorax smooth, with a group ofpores as in furtivus, with two depressions placed transversely onanterior third of disk. Elytra very finely striate-punctate, the apexrounded. Length, FlG. 399,—Diapusmints, Sampson,sp. nov. Goalpara,Assam. This platypid was taken commonly in company with D. furtivus and D. quinquespinatus, Life History. tunnelling into newly felled sal-trees in the Kachugaon forests in May 1906. Its life history is probably not unlike that of its companions alreadydescribed. Diapus capillatus, Sampson, sp. —Sampson, Ann. Mai;. Xat. Hist. ser. 8, xii, 449 (1913). Habitat.—Darjeeling, Eastern Himalaya. Tree Attacked.—Buk (Quercus lamellosa). Darjeeling Forests (C. ). * In a communication dated 6 January 1914, Colonel Winn Sampson wrote me as followswith reference to this species :— I have just had news from Dehra Dun that upsets my speciesDiapus minis. It seems that during the marriage flight the $ D. fur tints, mihi, has a largecluster of frontal hairs (which I fully described, but as belonging to the £, not having materialfor dissection) ; when she commences


Size: 1359px × 1838px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, booksubjectbeetles, bookyear1914