| ectoparasites of black-tailed prairie dogs (cynomys ludovicianus) from south dakota. | during the summers of 1982 and 1983, black-tailed prairie dogs (cynomys ludovicianus) were examined for parasites. those collected and their respective prevalence included linognathoides cynomyis (46.3%), opisocrostis hirsutus (53.7%), opisocrostis tuberculatus cynomuris (2.4%), androlaelaps fahrenholzi (12.2%), ixodes sculptus (2.4%) and dermacentor andersoni (4.9%). the collection data indicated that l. cynomyis, o. hirsutus and a. fahrenholzi were at low population densities during this perio ... | 1987 | 3586214 |