Great Basin Naturalist


New information on the ectoparasitic mites of the following species of mammals from Oregon is presented: (1) pika—Ochotona; (2) squirrels—Eutamias, Spermophilus, Tamiasciurus; (3) grasshopper mouse—Onychomys; (4) woodrats—Neotoma; (5) muskrat—Ondatra; (6) jumping mice—Zapus; and (7) weasels—Mustela, Spilogale. New records of species for the state and new host records are also given. Finally, a cross-referenced list of all known mites of wild mammals from Oregon is presented.