N. hygini (Rothschild, 1904), stat. rev.

Ctenopsyllus hygini Rothschild, 1904: 650 .

Nearctopsylla hygini; Rothschild, 1915c: 307. Nearctopsylla genalis hygini; Holland, 1949:104.

Distribution. Canada and USA.

Hosts. Blarina brevicauda, Sorex a. arcticus, S. monticolus, and Sorex sp. Other hosts. Carnivora: Mustela erminea, M. e. richardsoni, M. frenata, and Mustela sp. Insectivora ( Talpidae): Condylura cristata and Scalopus aquaticus (Holland, 1949; Hopkins & Rothschild, 1962; Benton, 1980).