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Parasitology

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Alaska

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Full-Text Articles in Life Sciences

Coccidia (Apicomplexa: Eimeriidae) Infecting Cricetid Rodents From Alaska, U.S.A., And Northeastern Siberia, Russia, And Description Of A New Eimeria Species From Myodes Rutilus, The Northern Red-Backed Vole, Donald W. Duszynski, Andrew J. Lynch, Joseph A. Cook Jan 2007

Coccidia (Apicomplexa: Eimeriidae) Infecting Cricetid Rodents From Alaska, U.S.A., And Northeastern Siberia, Russia, And Description Of A New Eimeria Species From Myodes Rutilus, The Northern Red-Backed Vole, Donald W. Duszynski, Andrew J. Lynch, Joseph A. Cook

Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications

During the summers of 2000, 2001, and 2002, 1,950 fecal samples from 4 families, 10 genera, and 16 species of rodents in Alaska, U.S.A. (N = 1,711), and Siberia, Russia (N = 239) were examined for coccidia (Apicomplexa: Eimeriidae). The 4 families sampled were Dipodidae (jumping mice), Erethizontidae (New World porcupines), Muridae (mice, rats), and Cricetidae (voles, lemmings). Nineteen oocyst morphotypes were observed, of which 10 were consistent with descriptions of known coccidia species from murid hosts, 8 were similar to oocysts described previously from other genera than those in which they are found here (and are called …


Nearctic Shrews, Sorex Spp., As Paratenic Hosts Of Soboliphyme Baturini (Nematoda: Soboliphymidae), S. V. Karpenko, N. E. Dokuchaev, Eric P. Hoberg Jan 2007

Nearctic Shrews, Sorex Spp., As Paratenic Hosts Of Soboliphyme Baturini (Nematoda: Soboliphymidae), S. V. Karpenko, N. E. Dokuchaev, Eric P. Hoberg

Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications

Third-stage larvae (L3) of Soboliphyme baturini were discovered for the first time in shrews, Sorex cinereus and Sorex tundrensis from Alaska and the Nearctic. Shrews were found to be infected with L3 at Suloia Lake, southeastern Alaska, Togiak National Wildlife Refuge, southwestern Alaska, and at the Yukon-Charley Rivers National Preserve near the Yukon-Alaska border. Larvae in shrews from Alaska were morphologically indistinguishable from those known in both insectivores and arvicoline rodents from Russia. The occurrence of S. baturini in Alaskan insectivores further establishes shrews as important hosts in the transmission of S. baturini among mustelids and other carnivores and indicates …


Beringia: Intercontinental Exchange And Diversification Of High Latitude Mammals And Their Parasites During The Pliocene And Quarternary, Joseph A. Cook, Eric P. Hoberg, Anson Koehler, Heikki Henttonen, Lotta Wickström, Voitto Haukisalmi, Kurt Galbreath, Felix Chernyavski, Nikolai Dokuchaev, Anatoli Lahzuhtkin, Stephen O. Macdonald, Andrew Hope, Eric Waltari, Amy Runck, Alasdair Veitch, Richard Popko, Emily Jenkins, Susan Kutz, Ralph Eckerlin Jan 2005

Beringia: Intercontinental Exchange And Diversification Of High Latitude Mammals And Their Parasites During The Pliocene And Quarternary, Joseph A. Cook, Eric P. Hoberg, Anson Koehler, Heikki Henttonen, Lotta Wickström, Voitto Haukisalmi, Kurt Galbreath, Felix Chernyavski, Nikolai Dokuchaev, Anatoli Lahzuhtkin, Stephen O. Macdonald, Andrew Hope, Eric Waltari, Amy Runck, Alasdair Veitch, Richard Popko, Emily Jenkins, Susan Kutz, Ralph Eckerlin

Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications

Beringia is the region spanning eastern Asia and northwestern North America that remained ice-free during the full glacial events of the Pleistocene. Numerous questions persist regarding the importance of this region in the evolution of northern faunas. Beringia has been implicated as both a high latitude refugium and as the crossroads (Bering Land Bridge) of the northern continents for boreal mammals. The Beringian Coevolution Project (BCP) is an international collaboration that has provided material to assess the pattern and timing of faunal exchange across the crossroads of the northern continents and the potential impact of past climatic events on differentiation. …


Description Of Paranoplocephala Etholeni N. Sp. (Cestoda: Anoplocephalidae) In The Meadow Vole Microtus Pennsylvanicus, With A Synopsis Of Paranoplocehala S. L. In Holarctic Rodents, Voitto Haukisalmi, H. Henttonen, J. Niemimaa, Robert L. Rausch Dec 2002

Description Of Paranoplocephala Etholeni N. Sp. (Cestoda: Anoplocephalidae) In The Meadow Vole Microtus Pennsylvanicus, With A Synopsis Of Paranoplocehala S. L. In Holarctic Rodents, Voitto Haukisalmi, H. Henttonen, J. Niemimaa, Robert L. Rausch

Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications

Paranoplocephala etholeni n. sp, parasitizing the meadow vole Microtus pennsylvanicus in Alaska and Wisconsin, USA. is described Paranaplocephala etholeni is morphologically most closely related to the Nearctic Paranoplocephala ondatrae (Rausch, 1948). Available data suggest that P. etholeni is a host-specific, locally rare species that may have a wide but sporadic geographical distribution in North America. The finding of P. ondatrae-like cestodes in Microtus spp. suggests that this poorly known species may actually be a parasite of voles rather than muskrat (type host). A tabular synopsis of all the known species of Paranoplocephala s. I. in the Holarctic region with …


On The Land Mammals Of St. Lawrence Island, Alaska, Robert L. Rausch Jan 1953

On The Land Mammals Of St. Lawrence Island, Alaska, Robert L. Rausch

Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications

The mammals occurring on St. Lawrence Island, Alaska, represent species which are widely distributed in boreal regions. They are not well known, however, and are poorly represented in collections. In the past, some of these mammals have been regarded as being specifically distinct from closely related forms occurring on the adjacent continents. It is the purpose of this paper to present some new data on these mammals, with particular reference to their taxonomy.


Notes On The Nunamiut Eskimo And Mammals Of The Anaktuvuk Pass Region, Brooks Range, Alaska, Robert L. Rausch Dec 1951

Notes On The Nunamiut Eskimo And Mammals Of The Anaktuvuk Pass Region, Brooks Range, Alaska, Robert L. Rausch

Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications

Covers the physical attributes (physiography, climate and vegetation) of the Brooks Range, Alaska, as well as the Numamuit Eskimo people who lived there in the 1940s and before (including information about their livelihood, history, dwellings, clothing, food, transportation and hunting implements), and includes a list and description of the mammals that lived there (including shrews, grizzly bears, foxes, wolves, martens, ermines, weasels, minks, wolverines, otters, lynxes, hares, marmots, ground squirrels, red squirrels, lemmings, voles, beavers, porcupines, moose, caribou and sheep).