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The Biology of some North American Ticks of the Genus Dermacentor1

Published online by Cambridge University Press:  06 April 2009

F. C. Bishopp  and
H. P. Wood
F. C. Bishopp
Affiliation:
Of the Bureau of Entomology, United States Department of Agriculture.
H. P. Wood
Affiliation:
Of the Bureau of Entomology, United States Department of Agriculture.
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Extract

No group of ticks presents a more interesting biological study than the genus Dermacentor. The diversity of habits of these ticks is remarkable. These differences in habits, especially when we find them correlated with certain structural characteristics, would lead some to consider splitting the genus into two or more genera or subgenera. This we do not think well advised.

Type
Research Article
Information
Parasitology , Volume 6 , Issue 2 , July 1913 , pp. 153 - 187
Copyright
Copyright © Cambridge University Press 1913

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References

2 We are in doubt about the status of Dermacentor salmoni Stiles (Bull. 62, Hygienic Lab., U.S. Pub. Helth and Marine Hospital Service, pp. 55–60, 1910), but are inclined to regard it as but a variety of D. albipictus Packard.Google Scholar

1 Hunter, W. D. and Hooker, W. A.Information concerning the North American fever tick, with notes on other species. Bull. 72Google Scholar, Hunter, W. D. and Hooker, W. A.Information concerning the North American fever tick, with notes on other species. Bureau of Entomology, U.S. Dept. Agr. pp. 49–52, 1 pl. 2 figs. 11 2, 1907.Google Scholar

Hunter, W. D. and Bishopp, F. C.Some of the more important ticks of the United States. Yearbook, U.S. Dept. Agr. for 1910, pp. 225–228, 1 pl. 1911.Google Scholar

Hunter, W. D. and Bishopp, F. C.The Rocky Mountain spotted fever tick. Bull. 105Google Scholar, Hunter, W. D. and Bishopp, F. C.The Rocky Mountain spotted fever tick. Bureau of Entomology, U.S. Dept. Agr. 47 pp. 3 pls. 3 figs. 11 17, 1911.Google Scholar

Hooker, W. A., Bishopp, F. C. and Wood, H. P.The life history and bionomics of some North American ticks. Bull. 106Google Scholar, Hooker, W. A., Bishopp, F. C. and Wood, H. P.The life history and bionomics of some North American ticks. Bureau of Entomology, U.S. Dept. Agr. pp. 21–37, 70–71, 158–204, 5 pls. 5 figs. 09 7, 1912.Google Scholar

1 The mountain sheep tick is suggested as a common name for this tick, as this appears to be the principal, if not the only, host of the adults of the species.Google Scholar

1 Termed Gené's organ by Nuttall, 1908Google Scholar; see also Robinson, and Davidson, (04 1913), Parasitology, vi. 34, and their paper appearing in the next number.–Ed.Google Scholar

1 The common names of “Moose tick” and “Elk tick” have been applied to this species. As these names are but little used, and we believe a more distinctive name should be applied, we suggest “Winter tick” as a common name.Google Scholar

2 “A revision of the Ixodoidea of the United States.” Tech. Ser. Bur. of Ent., U.S. Dept. Agr., Bull. 15, p. 44. 1908.Google Scholar

3 “The taxonomic value of the microscopic structure of the stigmal plates in the tick genus Dermacentor.” U.S. Pub. Health and Mar. Hosp. Service, Hygienic Lab. 1910Google Scholar, “The taxonomic value of the microscopic structure of the stigmal plates in the tick genus Dermacentor.” Bull. 62, p. 63.Google Scholar

4 Bull. pp. 57–60.Google ScholarPubMed

5 “The parasitic fauna of Colorado.” Colorado College Pubs. Sci. Ser. Vol. xii. No. 10, p. 366.Google Scholar

1 From a statement by MrHays, W. J. (Amer. Nat. Vol. ii. (x.), p. 559, 1868) we learn that ticks collected in New York City on April 13 began depositing eggs on May 1 and these eggs hatched on July 3. Dr Gordon Hewitt (Rept. Dominion Ent. for 1911, p. 225) states that egg laying began (presumably in Ottawa, Canada) at the end of April and hatching began early in July. Both of these records were probably made indoors although this point is not stated.Google Scholar

1 Compare with the observations of Nuttall and Merriman (III. 1911) Parasitology, iv. 39–44, Fig. 1.Google Scholar

1 The “red-brown winter tick” is suggested as a common name for this species on account of its colour and habit of feeding largely during the winter season.Google Scholar

2 “A revision of the Ixodoidea of the United States.” Bur. of Exit., U.S. Dept. Agr., Tech. Ser., 1908Google Scholar, “A revision of the Ixodoidea of the United States.” Bull. 15, p. 49.Google Scholar

3 “The taxonomic value of the microscopic structure of the stigmal plates in the tick genus Dermacentor.” Pub. Health and Mar. Hosp. Service, Hygienic Lab., 1910Google Scholar, “The taxonomic value of the microscopic structure of the stigmal plates in the tick genus Dermacentor.” Bull. 62, pp. 54, 55.Google Scholar

4 See reference cited in preceding paragraph.Google Scholar

5 This material was considered to be D. nitens by Hooker, , Bishopp, and Wood, (Bur. of Ent.., U.S. Dept. Agr., 1912, Bull. 106, p. 198). Recent studies of the immature stages show this to be an error.Google Scholar