. Class book of economic entomology [microform] : with special reference to the economic insects of the northern United States and Canada. Insect pests; Entomologie; Entomology; Insectes nuisibles, Lutte contre les; Insect pests; Insectes nuisibles. CLASSIFICATION ANU DESCRIPTION OF (OMMON INSKCTS 97 C. Abdomin wilh 1 or ,t long lilanunl.; lower wingi mud. smaller than upper; antenna' sliort. -KplitmnH., (Mav llii^) (H|(. 5O CC. Abdomen without jointed lilamenls; winK~ n|Uiil in -iz, ; antenna'short. (,1/,1 (Drason lliei). The larva' of most of the Neuropteroid insects are a.|uatic
. Class book of economic entomology [microform] : with special reference to the economic insects of the northern United States and Canada. Insect pests; Entomologie; Entomology; Insectes nuisibles, Lutte contre les; Insect pests; Insectes nuisibles. CLASSIFICATION ANU DESCRIPTION OF (OMMON INSKCTS 97 C. Abdomin wilh 1 or ,t long lilanunl.; lower wingi mud. smaller than upper; antenna' sliort. -KplitmnH., (Mav llii^) (H|(. 5O CC. Abdomen without jointed lilamenls; winK~ n|Uiil in -iz, ; antenna'short. (,1/,1 (Drason lliei). The larva' of most of the Neuropteroid insects are a.|uatic and are „( Utile .... importance in asricullure. They are of imporlanee, however, in fish- . iilturc. In the Stone-flies Newcomer has recently reported that several sm'.ies of , (es,».cially T. ,c„) with well develoiH-d mouth parts cause il)le injury to foliaife and fruit in Central Pig. 5j.—.May-fly {.Iltxogcnia), adult. {Afttr Folsom,) Fig. 53.—May-fly. nymph LARViU, FORMS OF THE NEUROPTEROIDA A. Body cylindrical, caterpillar-like.—.l/reo^fcra. AA. Body more or less depressed, not caterpillar-like. B. Mandibles united with corresponding maiilla'.—AVuro^/fra. BB. Mandibles separate from corresponding maiilla?. C. Body encased in a shell of gravel, etc.—Trkhopicra. CC. Body not encased in a shell. U. Abdomen with external lateral gills and terminated by 2 or 3 long gill ptixxixs.—Epkemerida (Fig. 53).. 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, 1864-1927. Philadelphia : P. Blakiston's Son
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectentomology, bookyear1
