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April 5, 1941

Fleas of Eastern United States

JAMA. 1941;116(14):1607. doi:10.1001/jama.1941.02820140119036

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This is strictly a systematic account of the fifty-five known species of fleas occurring in the Eastern half of the United States, east of the one hundredth meridian, excluding Texas. These pests belong to thirty-three genera and five families and annoy seventy-five different mammalian and avian hosts. Fortunately only nine of the species have thus far been captured on man. All of these nine occur also on animals associated with man, such as the rat, mouse, cat, dog, hog, rabbit and fowl, as well as on a considerable range of species of wild mammals and birds. The fleas breed in the sleeping places of the mammals and the nests of birds. The eggs are laid in the hair or feathers of the host, are not attached and fall on the ground or substrate, where the white or yellow larvae develop. Fleas are hardy and the dog flea can live for

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