. Agricultural entomology for students, farmers, fruit-growers and gardeners. Insects; Insects, Injurious and beneficial. MOSQUITOES 251 ties of water if they have it for a few days, and especially those that are more common about towns depend on small pools, tanks, and rain barrels rather than larger bodies of water. More breed in small pools than large, because there are usually no fishes in the small pools. They fly for a few rods but for no extreme distance—one-half mile or a mile. <^^'. Fig. 195.—Culex tceniorhynchus: female showing the short palpi which distinguish Culex from Anophele
. Agricultural entomology for students, farmers, fruit-growers and gardeners. Insects; Insects, Injurious and beneficial. MOSQUITOES 251 ties of water if they have it for a few days, and especially those that are more common about towns depend on small pools, tanks, and rain barrels rather than larger bodies of water. More breed in small pools than large, because there are usually no fishes in the small pools. They fly for a few rods but for no extreme distance—one-half mile or a mile. <^^'. Fig. 195.—Culex tceniorhynchus: female showing the short palpi which distinguish Culex from Anopheles; toothed front tarsal claw at right— enlarged. (From Howard, Div. Ent., U. S. Dept. Ag.) They may be transported, but most annoyance comes from those bred close at hand. The connection between mosqui- toes and malaria has been fully established. The parasite seems to be dependent upon two distinct hosts. Unless there is a case of malaria in the near vicinity they cannot communicate it to another. The relation of mosquitoes to yellow fever has also been w^orked out very carefully. One. 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
