期刊
JOURNAL OF MEDICAL ENTOMOLOGY
卷 55, 期 4, 页码 871-876出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/jme/tjy009
关键词
systematics; morphology; evolution; distribution; taxonomy
Dermacentor parumapertus Neumann (Acari: Ixodidae), a tick primarily associated with rabbits which occurs over much of the western United States, has a fairly large north-to-south distribution, being found from central Idaho southward into northern Mexico. This mostly obscure tick species has recently been the focus of attention due to the discovery of a unique strain of Rickettsia parkeri associated with it which appears closely related to a Rickettsia sp. found in the Atlantic rainforest of Brazil. Historically, a morphological variety of this species was reported in the literature based on significant variation in ornamentation of the tick throughout its range. This study examines several key morphological characters to determine if there are indeed more than one distinct population of this species throughout its range.
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