Cheiroseius borealis (Berlese, 1904)
Ameroseius borealis Berlese, 1904: 259 .
Lasioseius (Lasioseius) borealis .— Berlese, 1916a: 33.
Platyseius borealis .— Westerboer, 1963: 278; Lapina, 1976a: 80.
Cheiroseius borealis .— Westerboer, 1963: 303; Pinchuk, 1976: 87; Bregetova, 1977a: 191; Gwiazdowicz & Gulvik, 2005b: 119; Christian & Karg, 2008: 52; Gwiazdowicz et al., 2008a: 31; Zhang & Fan, 2010: 284.
Platyseius (Cheiroseius) borealis .— Westerboer, 1963: 326.
Sejus borealis .— Karg, 1971b: 256; Evans & Hyatt, 1960: 56.
Cheiroseius (Cheiroseius) borealis .— Karg, 1981: 66; 1993: 260; 1998a: 59; Farrier & Hennessey, 1993: 31; Kalúz & Fenďa, 2005: 64; Gwiazdowicz, 2007: 146.
Episeius montanus Willmann, in Franz, 1943: 87 (nomen nudum).
Episeius montanus Willmann, 1949c: 120 (Synonymy by Evans & Hyatt, 1960: 56; Westerboer, 1963: 326; Farrier & Hennessey, 1993: 31).
Gamasellus montanus Willmann, 1936 (sic).— Hirschmann, 1959: 10.
Platyseius (Episeius) montanus .— Karg, 1962: 34.
Episeius montanus .— Willmann, 1953: 462; Westerboer, 1963: 302.
TYPE DEPOSITORY: of C. borealis: Istituto Sperimentale per la Zoologia Agraria, Firenze, Italy; of E. montanus: not stated.
TYPE LOCALITY AND HABITAT: of C. borealis: Norway, on unstated substrate; of E. montanus: Europe, on unstated substrate.