S. americana (Baker, 1899)
Hystrichopsylla americana Baker, 1899: 37 . Stenoponia wetmorei Chapin, 1919: 52 .
Stenoponia americana Jordan, 1937:285 .
Distribution. Canada, USA, and Mexico.
Hosts. Blarina brevicauda, B. carolinensis, and Sorex cinereus . Other hosts. Didelphimorphia: Didelphis virginiana . Insectivora ( Talpidae): Scalopus aquaticus . Rodentia: Clethrionomys gapperi, Microtus ochrogaster, M. o. minor, M. pennsylvanicus, M. pinetorum, M. richardsoni arviculoides, Microtus sp., Peromyscus gossypinus, P. leucopus, and P. l. noveboracensis (Wilson, 1957; Benton & Kelly, 1975; Hopkins & Rothschild, 1962; McCay, 2001; SalcedaSánchez & Hastriter, 2006).