Indian forest insects of economic importance Coleoptera . FIG. 12. —Portion of stem of a dead /W/vr-vVi: sp., showing the targepupating chambers in the wood of the elater Alans ph ditlns, andthe tunnels and entrance bores of a platypid beetle in the tim H 2 2O INDIAN FOREST INSECTS. Small bast-living forms of the Staphylinidae also prey upon variousscolytid b:irk-borers or their grubs. Many of the Coccinellidae are active predatorsboth in the grub and beetle stage. For instance,the coccinellid Vedalia (p. 125) preys upon the salcoccid scale insect Monophlebus stebbingii, whilstthe cosmopolitan
Indian forest insects of economic importance Coleoptera . FIG. 12. —Portion of stem of a dead /W/vr-vVi: sp., showing the targepupating chambers in the wood of the elater Alans ph ditlns, andthe tunnels and entrance bores of a platypid beetle in the tim H 2 2O INDIAN FOREST INSECTS. Small bast-living forms of the Staphylinidae also prey upon variousscolytid b:irk-borers or their grubs. Many of the Coccinellidae are active predatorsboth in the grub and beetle stage. For instance,the coccinellid Vedalia (p. 125) preys upon the salcoccid scale insect Monophlebus stebbingii, whilstthe cosmopolitan Coccinella septempunctata (p. 123)preys upon the Aphis of the blue pine, theLachnus of the silver fir, and upon the young grubsof the Chermes himalayensis. The beetle Cissites (p. 248) oviposits in thetunnels of the carpenter bee, Xylocopa latipes, inpyinkadu, its grubs feeding upon those of thelatter. Finally, to come to the Rhynchota, the bugErthesina fullo feeds upon the caterpillars of thesal-defoliator Boarmia selenaria in the United FIG. 13.—Hectarthrum uni- Provinces Terai , Waterh., which ErVS™ In (*). PARASITES, OR INSECTS LIVE PARASITI- Tenasserim. CALLY UPON INJURIOUS SPECIES, SLOWLY KILLING THEM. The number of insect parasites, as also of
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbeetles, bookyear1914
