. Sanitary entomology; the entomology of disease, hygiene and sanitation. Fio. 55.—Types of mosquito mouthparts: a, Short palpus form; b. Long palpus form.(Greene.) A = antenna, 6 = beak, P = palpus. 2. A dark brown species with two curved, silvery white lines (resem-bling an inverted lyre) on top of body. Yellow fever mosquito(fig. 57), Aedes argenteus. / \. Fig. 56 (left.—Adult Culex sollicitans. Much enlarged. (Howard.) From U. S. Dept. Agr. Farmers Bull. 155, fig. la. Fig. 57 (right).—The yellow fever mosquito, Aedes argenteus: adult female. Much enlarged. (Howard.) From U. S. Dept. Agr. O
. Sanitary entomology; the entomology of disease, hygiene and sanitation. Fio. 55.—Types of mosquito mouthparts: a, Short palpus form; b. Long palpus form.(Greene.) A = antenna, 6 = beak, P = palpus. 2. A dark brown species with two curved, silvery white lines (resem-bling an inverted lyre) on top of body. Yellow fever mosquito(fig. 57), Aedes argenteus. / \. Fig. 56 (left.—Adult Culex sollicitans. Much enlarged. (Howard.) From U. S. Dept. Agr. Farmers Bull. 155, fig. la. Fig. 57 (right).—The yellow fever mosquito, Aedes argenteus: adult female. Much enlarged. (Howard.) From U. S. Dept. Agr. Office of Secy., circ. 61, fig. 13. Pale reddish-brown species with top of abdomen much darker and with five yellowish-white bands across the top (for a Culex see fig. 56), Culex quinquefasciatus. 3. A dark brown species with a vein near the base of the wing yellowish-white and this vein having three distinct dark spots, Anopheles crucians. 274 SANITARY ENTOMOLOGY A dark brown species wdth the wings mostly brown having alarge, yellowish-white spot on the front edge of wing towardsthe tip, and a smaller light spot close to the tip. Fringe atthe tip of wing dark, Anopheles punctipennis. A species very slightly smaller. Wings clear except along frontedge where there are three large, j^ellowish-white spots towardsthe tip. The third spot is at the tip a
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbenefic, bookyear1921
