Euxoa (Pleonectopoda) churchillensis (Mcdunnough, 1932)

(Figs 18, 19)

Agrotiphila churchillensis Mcdunnough, 1932, Canadian entomologist 64: 105. Type-locality: Manitoba, Churchill. Holotype: CNC, Ottawa.

References: Hardwick 1970: 107, fig. 293 (Euxoa, Pleonectopoda); Kononenko, Lafontaine & Mikkola 1996: 92 (Euxoa); Lafontaine & Troubridge 2010: 258, figs. 5–7 (Euxoa, Pleonectopoda).

Note. Euxoa churchillensis has been reported for Russia from Taimyr (Kononenko et al. 1996). The species is reported here for Northeast Siberia (Chukotka) for the first time on the basis of single female specimen from ZISP, labeled [Russia], “ Chukotka, Z.[zaliv] Geka, 18.vii. [19]33. Portenko ” – [Chukotka, Gek Bay in mouth of Anadyr Rives. 18.vii.1933, leg. Portenko].

Distribution. Russian and Canadian Arctic (Beringian) and western United States. Russia, Krasnoyarsk terr., Taimyr peninsula, Chukotka, mouth of Anadyr River; North America: Canada, Hudson Bay, Nunavut, Isl. Austin, North West Territories, Prov. Manitoba, Prov. Ontario [extreme northern Ontario]; USA, Pennsylvania Mountain, Colorado; New Mexico [alpine habitats].