Indian forest insects of economic importance Coleoptera . pairing, the female beetles do not bore out a definite egg - galleryaway from the pairing-chamber, but merelyenlarge this latter byeating out the bastand sapwood on one side or theother, successive beetles com-mencing work at opposite sidesand laying their eggs in the areaso enlarged. The whole of this FIG. 347.—Cryphalus himalayensis, Steb., irregular-shaped gallery made bysp. nov. a, larva ; b, dorsal and side view of the the beetles, which often entirelybeetle; c, branch with bark removed showing Pnrirr|p(; fu~ hranrri hpnpp
Indian forest insects of economic importance Coleoptera . pairing, the female beetles do not bore out a definite egg - galleryaway from the pairing-chamber, but merelyenlarge this latter byeating out the bastand sapwood on one side or theother, successive beetles com-mencing work at opposite sidesand laying their eggs in the areaso enlarged. The whole of this FIG. 347.—Cryphalus himalayensis, Steb., irregular-shaped gallery made bysp. nov. a, larva ; b, dorsal and side view of the the beetles, which often entirelybeetle; c, branch with bark removed showing Pnrirr|p(; fu~ hranrri hpnpprfi trm(P; the pairing-chamber, (/) larval galleries, and ^ th6 brancn beneath the pupating-chambers of larvae. bark and extends up the forks of the branches and thus effec- tuall/ rings the tree, is filled with a wet mass of chewed wood-refuse andexcreta, amongst which the eggs are laid (vide fig. c). The egg stage is short,wo to four days only, since young larvae are often found in the chambernear the living female beetles and in the .. J02
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbeetles, bookyear1914
