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. Agricultural entomology for students, farmers, fruit-growers and gardeners. Insects; Insects, Injurious and beneficial. 250 ORDER DIPTERA aquatic and air-l)roathin<]j, witli tlie trachea opening at the end of tlie abdomen. TJie \)\\\)iv are also acjuatic but keep near the surface and spiracles o])en near the head. The pupa case splits on the dorsal side and the mosquito rests on the. Fig. 194.—Anopheles^ punctipennis: female. (From Howard, Div. Ent., U. S. Dept. Ag.) surface of the water until its wings are dried enough for flight. One species has been observed whose eggs may remain over
. Agricultural entomology for students, farmers, fruit-growers and gardeners. Insects; Insects, Injurious and beneficial. 250 ORDER DIPTERA aquatic and air-l)roathin<]j, witli tlie trachea opening at the end of tlie abdomen. TJie \)\\\)iv are also acjuatic but keep near the surface and spiracles o])en near the head. The pupa case splits on the dorsal side and the mosquito rests on the. Fig. 194.—Anopheles^ punctipennis: female. (From Howard, Div. Ent., U. S. Dept. Ag.) surface of the water until its wings are dried enough for flight. One species has been observed whose eggs may remain over winter in mud, and hatching and development depends upon the presence of water. Mosquitoes breed in minute quanti-. 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 Osborn, Herbert, 1856-1954. Philadelphia, New York, Lea & Febiger
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1916