New species of the genus Phtheiropoios (Phthiraptera: Gyropidae), parasitic on Ctenomys (Rodentia : Octodontidae)

The species Phtheiropoios centralis sp.nov, is described and illustrated from specimens collected on an undescribed species of Ctenomys from Rio Quinto, central Cordoba Province, Argentina. Diagnostic features for the new species include proportion of the male forficula, male external genitalia, and counts of setae and body measurements in both sexes. Its morphological affinities with other species and a key to males of all species of the genus Phtheiropoios known to parasitize rodents of the genus Ctenomys are included.