Entomology for beginners; for the use of young folks, fruitgrowers, farmers, and gardeners; . 865.) Fieber, F. X. European Hemiptera (Vienna, 1861.) (In German.) Geise, 0. Mundtheile der Rhynchoten (Archiv f. Naturg., xlix.,315. 1883). Glover, T. Manuscript Notes: Hemiptera (Washington, 1876). Oestlund, 0. W. Synopsis of the Aphididoe of Minnesota (St. Paul,1887). Eiley and Monell. Notes on Aphidse of the U. S. (Bull. U. Surv., v. Washington, 1879.) Thomas, C. Monograph of the Plant-lice (8th Report State Ento-mologist of 111., 1879). Uhler, P. R. Monographs of Cydnidae and Saldfe [etc


Entomology for beginners; for the use of young folks, fruitgrowers, farmers, and gardeners; . 865.) Fieber, F. X. European Hemiptera (Vienna, 1861.) (In German.) Geise, 0. Mundtheile der Rhynchoten (Archiv f. Naturg., xlix.,315. 1883). Glover, T. Manuscript Notes: Hemiptera (Washington, 1876). Oestlund, 0. W. Synopsis of the Aphididoe of Minnesota (St. Paul,1887). Eiley and Monell. Notes on Aphidse of the U. S. (Bull. U. Surv., v. Washington, 1879.) Thomas, C. Monograph of the Plant-lice (8th Report State Ento-mologist of 111., 1879). Uhler, P. R. Monographs of Cydnidae and Saldfe [etc.]. (Bull. Geol. Surv., iii., 1877). Check-list of the Hemiptera-Heteroptera of North America (Brook-lyn, 1886). Walker, F. Catalogue of Hemiptera-Heteroptera in British Museum(8 vols. and suppl. 1867-74). Witlaczil, E. Die Anatomie der Psylliden (Zeits. f. , Bd. xlii. Wien, 1885). Zur Morphologic und Anatomie der Cocciden (Zeits. f. Wis-sensch. Zool. Wien, 1885).Also the writings of Ashmead, Comstock, Forbes, Landois, Le Baron, Monell, Osborn, Riley, Say, Thomas, FIG. 60.—External anatomy of squash-bug, Anasa tristis. a, upper, b, under,and c, side, view of head; ant, antenna; oc. ocellus; d, pro-, e, meso-,/, meta-notum; sc, meso scutum; scl. meso-scutellum; y, pro-, h, meso-, i, meta-pleurum; st, pro-, st, meso-, st, meta-scutum; epis, epis. epis, episternumof pro-, meso-, and meta-thorax; em. vm, em, epimerum of pro-, meso-, andmeta-thorax; j, k, I, under side of the pro-, meso-, and meta-thorax; ex,coxa; tr, trochanter; /, femur; t, tibia; ts, tarsus; m, dorsal, n, ventral, o,side, view of abdomen; sp, sp, six pairs of spiracles. (To face p. 74.) 76 ENTOMOLOGY. into its separate segments, dissect the hind body or abdomenfrom the thorax, and study these parts with the aid of , always remembering to compare each part with its corre-sponding part in the will be seen that the bug has,besides a pair of compound eyes,two simple ey


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