Parasites collected from free-ranging black bears, Ursus americanus, in northern Wisconsin included Dermacentor variabilis, D. albipictus, Ixodes scapularis, Demodex sp., Trichodectes pinguis euarctidos, Baylisascaris transfuga and Dirofilaria ursi. Mange, possibly caused by the Demodex sp., also was observed. Dental caries were common and periodontal disease was observed in one animal.
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1 January 1978
ECTO- AND ENDOPARASITES OF THE BLACK BEAR IN NORTHERN WISCONSIN
ALBERT M. MANVILLE