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. Handbook of medical entomology. Insect pests; Insects as carriers of disease; Medical parasitology. 276 Hominoxious Arthropods dd. Eyes indistinct or wanting; pharynx long and slender, fulturae very slender and closely applied to the pharynx; proboscis very long. Several genera found upon various mammals H^matopinid^. cc. Body swollen; meso- and metathorax, and abdominal segments two to eight each with a pair of stigmata; eyes wanting; antenna four or five-segmented; body covered with stout spines. Three genera found upon marine mammals Echinophthiriid^ a. Legs fitted for walking or jumping;
. Handbook of medical entomology. Insect pests; Insects as carriers of disease; Medical parasitology. 276 Hominoxious Arthropods dd. Eyes indistinct or wanting; pharynx long and slender, fulturae very slender and closely applied to the pharynx; proboscis very long. Several genera found upon various mammals H^matopinid^. cc. Body swollen; meso- and metathorax, and abdominal segments two to eight each with a pair of stigmata; eyes wanting; antenna four or five-segmented; body covered with stout spines. Three genera found upon marine mammals Echinophthiriid^ a. Legs fitted for walking or jumping; spiracles of abdomen usually ventral; beak segmented, b. Apex of head usually directed anteriorly; beak arising from its apex; sides of the face remote from the front coxa; first pair of wings when present thickened at base, with thinner margins HETEROPTERA. (o) Dorsal aspect; (b) seta from riTicT nf Rinco 159. Taxonomic details of Hemiptera-Heteroptera. v"; i-fui siii ttspci bedbug; (c) wing of Heteropteron; (d) leg; (e) wing of Sinea. c. Front tarsi of one segment, spade-form (palseformes); beak short, at most two-segmented; intermediate legs long, slender; posterior pair adapted for swimming CoRixiDiE cc. Front tarsi rarely one-segmented, never spade-form; beak free, at least three-segmented. d. Pulvilli wanting. e. Hemelytra usually with a distinct clavus (fig. 159), clavus always ends behind the apex of the scutellum, forming the commissure. (Species having the wings much reduced or wanting should be sought for in both sections.) f. Antennae very short; meso- and metastemum composite; eyes always 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