Insect pests of farm, garden and orchard . Fig. 9.—Lebia gran-dis. (After Riley.). Fk;. 10.—The murky ground-beetle {Harp<ilu!< caliginosus): adult at left;a, larva; b, head of same; f, mandible, (.\fter Riley.) large numbers of curculio larva, which it secures from the plumsafter they have fallen to the earth. From a glance at its formid-able jaws, Fig. 10, b-c, it is easy to conjecture the fate of many acurculio grub. BENEFICIAL INSECTS, PREDACEOUS AND PARASITIC 17 Thus here again are found some bugs that are friends andnot foes, worthy of all the protection that can be afforded them,a


Insect pests of farm, garden and orchard . Fig. 9.—Lebia gran-dis. (After Riley.). Fk;. 10.—The murky ground-beetle {Harp<ilu!< caliginosus): adult at left;a, larva; b, head of same; f, mandible, (.\fter Riley.) large numbers of curculio larva, which it secures from the plumsafter they have fallen to the earth. From a glance at its formid-able jaws, Fig. 10, b-c, it is easy to conjecture the fate of many acurculio grub. BENEFICIAL INSECTS, PREDACEOUS AND PARASITIC 17 Thus here again are found some bugs that are friends andnot foes, worthy of all the protection that can be afforded them,and well repaying such careful observation of their habits as may bebestowed upon them. Insect Parasites Though large numbers of injurious insects are annually de-stroyed by those which are purely predaceous upon them, man}more succumb to those minute forms which live parasiticallywithin them. A few of these parasites belong to the order Diip-tera, or true flies, but most of them are classed in the order Hymen-opt era, in which order are also included the saw-flies, ants, wasp


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Keywords: ., bookcentury1900, bookdecade1910, bookpublisheretcet, bookyear1912