Linognathoides laeviusculus (Grube, 1851)

Ex Spermophilus alashanicus Büchner (Alashan ground squirrel), collection locality: Bayanhongor Province: Bayan Bulag (Shine Jinst Soum) (Krištofıḱ, 1999).

Ex Spermophilus erythrogenys Brandt (red-cheeked ground squirrel), collection locality: Govi Altai Province: Esun Bulag (Kéler, 1967 [Nr. 334/35]).

Ex Urocitellus undulatus (Pallas) (long-tailed ground squirrel), collection localities: Bulgan Province, Inget Tolgoy (Selenge Soum) and Ulaan Had; Govi Altai Province, Bugat Soum (Mongol Altay); Huvsgul Province, Dood Tsagaan Nuur, Erhel Nuur, Ih Horoo Gol, and Hanh; Uvs Province, Tarialan Soum (Harhiraa Uul) (Krištofıḱ, 1999).

Notes: This louse parasitizes several species of ground squirrels across the Holarctic region (Durden et al., 2019). The following names are synonyms, previous combinations, or subspecies for this taxon as documented by Durden and Musser (1994) and Durden et al. (2019): Pediculus laeviusculus Grube, 1851; Enderleinellus laeviusculus (Grube, 1851); Neohaematopinus laeviusculus (Grube, 1851); Haematopinus laeviusculus (Grube, 1851); Polyplax laeviuscula (Grube, 1851); Haematopinus montanus Osborn, 1896; Linognathoides montanus (Osborn, 1896); Haematopinus columbianus Osborn, 1900; Polyplax columbiana (Osborn, 1900); Neohaematopinus patiki Rubin, 1946; Neohaematopinus laeviusculus bulgaricus Touleshkov, 1957 .