Geographical distribution patterns and habitat suitability models for presence of host-seeking ixodid ticks in dense woodlands of Mendocino County, California

Journal of Medical Entomology
Lars EisenRobert S Lane

Abstract

We used drag sampling to examine the geographical distribution patterns of ixodid ticks engaging in open (non-nidicolous) host-seeking behavior in dense woodland habitats of the climatically and ecologically diverse Mendocino County in north coastal California. The findings based on this sampling methodology reflect risk of human exposure to host-seeking ticks rather than the true distribution of the ticks. Drag sampling in 78 sites yielded 7,860 nymphal or adult Ixodes pacificus Cooley & Kohls, 220 Dermacentor occidentalis Marx, 150 Ixodes spinipalpis Hadwen & Nuttall, 15 Hemaphysalis leporispalustris (Packard), 12 Ixodes angustus Neumann, 12 Ixodes auritulus Neumann, and a single Dermacentor variabilis (Say). I. pacificus, which is the primary vector of the Lyme disease spirochete Borrelia burgdorferi to humans in California, occurred in all 78 sites examined. D. occidentalis, another tick species commonly biting humans in California, and H. leporispalustris typically were encountered in oak-associated woodlands in the central or eastern parts of the county. In contrast, three species of Ixodes ticks (I. angustus, I. auritulus, and I. spinipalpis) most commonly were found questing openly in woodlands with redwood present in t...Continue Reading

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Citations

Mar 3, 2011·The American Journal of Tropical Medicine and Hygiene·Heidi E BrownRebecca J Eisen
Jun 26, 2012·Applied and Environmental Microbiology·Gabriele MargosNicholas H Ogden
Sep 10, 2009·Annual Review of Entomology·William K Reisen
Aug 17, 2011·Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases·Gabriele MargosDurland Fish
Dec 16, 2016·Bulletin of Entomological Research·B M CarvalhoM M Vale
Sep 13, 2018·Vector Borne and Zoonotic Diseases·Guang XuStephen M Rich
Apr 11, 2019·Journal of the Royal Society, Interface·Luigi SeddaMartin J Donnelly
Jun 12, 2013·Experimental & Applied Acarology·Lucio Galaviz-SilvaZinnia J Molina-Garza
Aug 26, 2011·The Journal of Parasitology·John D ScottLance A Durden
Jul 19, 2019·Journal of Medical Entomology·James C BurtisRichard S Ostfeld
Dec 4, 2019·International Journal of Systematic and Evolutionary Microbiology·Gabriele MargosRobert S Lane

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