. Handbook of medical entomology. Insect pests; Insects as carriers of disease; Medical parasitology. 304 Hominoxious Arthropods ff. Tarsi of the first and second pairs of legs wholly yellow G. pallidipes Austen CO. Rays of the arista not plumose; only one or two stemopleurals; base of the media not strongly bowed down; apical cell opens at or very near the apex of the wing, d. Vein R4+6 without setae at the base; palpi about as long as the pro- boscis, e. Arista pectinate (i. e. rays on one side only), the rays often undtdate; two yellow stemopleurals often difficult to detect; vein M 1+2 onl


. Handbook of medical entomology. Insect pests; Insects as carriers of disease; Medical parasitology. 304 Hominoxious Arthropods ff. Tarsi of the first and second pairs of legs wholly yellow G. pallidipes Austen CO. Rays of the arista not plumose; only one or two stemopleurals; base of the media not strongly bowed down; apical cell opens at or very near the apex of the wing, d. Vein R4+6 without setae at the base; palpi about as long as the pro- boscis, e. Arista pectinate (i. e. rays on one side only), the rays often undtdate; two yellow stemopleurals often difficult to detect; vein M 1+2 only slightly bent, the apical cell hence wide open. The horn fly, H. irritans {=Lyperosia serrata) and related species. Widely dis- tributed (figs. 167, 168) Haematobia R. D. not B. 165. Glossina morsitans. (x4.) After Austen. ee. Arista also with rays below; vein Mi-1-2 more strongly bent, the apical cell hence less widely open. f. Palpi strongly spatulate at the tips, lower rays of the arista about six in number, B. sanguinolentus. South Asia Bdellolarynx Austen ff. Palpi feebly spatulate; apical cell of the wing narrowly open slightly before the tip; stemopleurals black, anterior bristle sometimes absent. H. atripalpis. Europe Haematobosca Bezzi dd. Vein R4+5 with setiE at the base.* '^Pachytnyia Macq. is closely related to Stomoxys. It differs in having the arista rayed both above and below. P. vexans, 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 Riley, William A. (William Albert), b. 1876; Johanssen, Oskar Augustus, 1870-. Ithaca, N. Y. , The Comstock Publishing Company


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1915