Indian forest insects of economic importance Coleoptera . p. 507. The Colydiid Beetles.—The largerof these is predaceous upon the Poly-graphus beetle. In the galleries ofthe Polygraphus I discovered numeroussmallish white eggs laid several to-gether, and simply deposited on thefloor of the gallery. From their posi-tion, and the fact that male and femalecolydiid beetles were taken together inthe Polygraphus galleries, I considerthat these eggs are those of the largerof the colydiid beetles, and are laid in this position to enable the larvae on hatching out to feed upon the eggs or larvae of the


Indian forest insects of economic importance Coleoptera . p. 507. The Colydiid Beetles.—The largerof these is predaceous upon the Poly-graphus beetle. In the galleries ofthe Polygraphus I discovered numeroussmallish white eggs laid several to-gether, and simply deposited on thefloor of the gallery. From their posi-tion, and the fact that male and femalecolydiid beetles were taken together inthe Polygraphus galleries, I considerthat these eggs are those of the largerof the colydiid beetles, and are laid in this position to enable the larvae on hatching out to feed upon the eggs or larvae of the Polygraphus beetles. I took a male and female of this insect together in one of the egg-tunnels of the Polygraphus beetle. The smaller of the colydiid beetles may con-fine itself to the Phloeosinus bark-borer, or may bepredaceous upon one of the enemies of the bark-borers. tttctlt.—Light brown in colour, with a prominent he. idfurnished with large black eyes and short antennae; the thoraxis square and pitted, as also are the elytra, which leave the.


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbeetles, bookyear1914