Arthropod and Helminth Parasites from the Plains Pocket Gopher,Geomys bursarius bursariusfrom the Hosts' Northern Boundary Range in Minnesota

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Abstract
As part of a continuing and more general study of the diversity of parasites from subterranean mammals in central North America, individuals of the Plains Pocket Gopher, Geomys bursarius bursarius, were collected from 7 localities in northwestern Minnesota from September 1991 through October 1996. Arthropods collected included the fleas, Opisocrostis bruneri (4 of 124, 3.2%), Foxella ignota ignota (85 of 124, 68.5%); the chewing louse, Geomydoecus geomydis geomydis from 98 of 124 (79%), and larvae of the tick, Dermacentor variabilis (1 of 124, 0.8%). Nematodes found included Physaloptera limbata (2 of 118 gophers, 1.7%), Capillaria americana (4 of 118, 3.4%), and Ransomus rodentorum (31 of 118, 26.3%). Cestodes recovered included Anoplocephaloides infrequens (12 of 136 gophers, 8.8%), Anoplocephaloides variabilis (19 of 136, 14%), Andrya macrocephala (20 of 136, 14.7%), and Hymenolepis weldensis from 12 of 136, 8.8%. The acanthocephalan, Moniliformis clarki was found in 1 of 118 gophers (0.8%). No parasites were found in the cheek pouches, thoracic, or peritoneal cavities.