The life history and bionomics of some North American ticks

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Identifier: lifehistorybiono106hook (find matches)
Title: The life history and bionomics of some North American ticks
Year: 1912 (1910s)
Authors: Hooker, W. A. (William Anson), 1877- Bishopp, F. C. (Fred Corry), 1884-1970 Wood, H. P. (Herbert Poland), 1883-1925 Hunter, W. D. (Walter David), 1875-1925
Subjects: Ticks
Publisher: Washington, D.C. : U.S. Dept. of Agriculture, Bureau of Entomology
Contributing Library: U.S. Department of Agriculture, National Agricultural Library
Digitizing Sponsor: U.S. Department of Agriculture, National Agricultural Library

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,and Laredo, Tex. A single male was collected on a dairy cow atDallas, Tex. No cattle had recently been brought to this dairy fromother points. Five lots have been collected by agents of the bureauon dogs at Orlando, Fla. The Marx collection contains a malespecimen (labeled by Marx) from Tulare County, Cal. The Marxcollection also contains a male and an unengorged female, labeledMemphis, Tenn. It seems quite probable that in these two latterinstances the ticks were carried on cattle which were shipped inland.Prof. H. A. Morgan has called attention to the fact that the tickscollected by Niles (1898, pp. 28, 29) in Virginia and referred to asDermacentor occidentalis belong to this species. Outside of this country this tick is known to occur in Mexico,Jamaica, Ecuador, Peru, Brazil, Paraguay, Chile, and Argentina. THE GULF COAST TICK. 137 inc. history. Observations on the biology of this species have been made byLahille (1905), Hunter and Hooker (1907), Hooker (1908), andNewstead (1909).
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Fig. 10.—The Gulf Coast tick. A mblyomma maexUatum: Distribution in the United States. The largedots show localities where the species has been collected In our Investigation. The small dots indicatethe probable range of the species. (Original. ; » The egg (Table LIII).—In May and September at a mean temper-ature of 74° F. oviposit ion commenced as soon as the third dayafter dropping. The largest number of eggs deposited by any oneof the seven females observed was 11,265, the smallest number 138 LIFE HISTORY OF NORTH AMERICAN TICKS. 4,560, with an average of 8,282. The female which deposited themaximum number of eggs measured 17 by 12 by 6 mm. Tins femalebegan depositing on the third day after dropping (September 1, 1907),and deposition was completed in 16 days, 1,793 eggs having beendeposited on one day. The individual which deposited the smallestnumber of eggs was the largest tick observed by us, measuring 18by 3 by 8 mm. The cool weather which followed the dropping ofthis tic

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