. Insect pests of farm, garden and orchard . Fig. 9.—Lebia grandis. (AfterRiley.). Fig. 10.—The murky gmuiul-beetlc {Harpalus caliginosus): adult at left;a, larva; b, head of same; c, mandible. (After Riley.) large numljcrs of curculio larvie, 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
. Insect pests of farm, garden and orchard . Fig. 9.—Lebia grandis. (AfterRiley.). Fig. 10.—The murky gmuiul-beetlc {Harpalus caliginosus): adult at left;a, larva; b, head of same; c, mandible. (After Riley.) large numljcrs of curculio larvie, 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, manymore succuml^ to those minute forms which live parasiticallywithin them. A few of these paiasites belong to the order Dip-tera, or true flies, but most of them are classed in the order Hymen-optem, in which order are also included the saw-flies, ants, wasps,and bee
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