. Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada. Beneficial insects; Insect pests; Insects; Insects. Fig. 230.—Venation of an ichneu- monid. (After Comstock.). Fig. 231.—Venation of a braconid. (After Comstock.) D. Fore wings without a stigma; antenna with not more than 16 segments and ?.tm\gU.~Cynipid(B (Gall Flies), p. 351. DD. Fore wings with a stigma; antenna with more than 16 segments and straight. E. Fore wing with vein between Media 1 and ist Media 2 v/animg.—Braconidce (Braconid Flies) (Fig. 231), p. 352- ^ EE
. Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada. Beneficial insects; Insect pests; Insects; Insects. Fig. 230.—Venation of an ichneu- monid. (After Comstock.). Fig. 231.—Venation of a braconid. (After Comstock.) D. Fore wings without a stigma; antenna with not more than 16 segments and ?.tm\gU.~Cynipid(B (Gall Flies), p. 351. DD. Fore wings with a stigma; antenna with more than 16 segments and straight. E. Fore wing with vein between Media 1 and ist Media 2 v/animg.—Braconidce (Braconid Flies) (Fig. 231), p. 352- ^ EE. Fore wing with vein between Media i and ist Media 2 present.—Ickncumonida; (Ichneumon Flies) (Fig. 230), P- 352. AA. Trochanter simple; female usually with a Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lochhead, William, 1864-. Philadelphia, Blakiston
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919
