Between 4 February and 28 June 1973, 45 plains pocket gophers, Geomys bursarius illinoensis (24) and G. b. missouriensis (21), were examined for ectoparasites. A total of 45 273 arthropods (Acari unless designated otherwise) was collected from G. b. illinoensis in Illinois in the following order of decreasing abundance: Geomylichus floridanus, Geomydoecus illinoensis (chewing louse), Androlaelaps geomys, Euschongastia trigenuala, Echinonyssus longichelae, Pergamasus sp., E. geomydis, Oribella sp., Ixodes sculptus, Pygmephorus scalopi, Dendrolaelaps sp., Pygmephorus sp., Parasitus sp., Ctenophthalmus pseudagyrtes (flea), Cyrtolaelaps sp., Macrocheles sp., Anoetidae, Haemogamasus reidi, Imperipes (I.) spickai, Pygmephorus designants, P. spickai, P. whitakeri, and Scutacarus geomyi. A total of 34 504 arthropods (Acari unless designated otherwise) was collected from G. b. missouriensis in Missouri in the following order of decreasing abundance: Geomydoecus spickai (chewing louse), Geomylichus floridanus, Echinonyssus geomydis, Androlaelaps geomys, Euschongastia trigenuala, Macrocheles sp., Echinonyssus longichelae, Pergamasus sp., Dendrolaelaps sp., Pygmephorus sp., Oribella sp., Saproglyphidae, Pygmephorus scalopi, P. whitakeri, Anoetidae, Cyrtolaelaps sp., Parasitus sp., and Scutacarus missouriensis.
Cestodes of the genus Hymenolepis Weinland, 1858 sensu stricto from pocket gophers Geomys and Thomomys spp. (Rodentia: Geomyidae) in Colorado and Oregon, with a discriminant analysis of four species of Hymenolepis
