Gamasellodes bicolor (Berlese, 1918)
Gamasellus (Digamasellus) bicolor Berlese, 1918: 135 .
Arctoseius bicolor .— Hirschmann, 1959: 4.
Cyrtolaelaps (Digamasellus) bicolor .— Ryke, 1962c: 91.
Iphidozercon bicolor .— Hirschmann, 1962: 30.
Digamasellus bicolor .— Hirschmann, 1962: 48.
Leioseius (Leioseius) bicolor .— Bernhard, 1963: 105.
Leioseius bicolor .— Karg, 1965: 205; 1971b: 278; 1993: 284; 2007: 131; Lapina, 1976a: 67; Kalúz & Fenďa, 2005: 127; Christian & Karg, 2008: 72; Kontschán & Ujvari, 2013: 81.
Gamasellodes bicolor .— Hurlbutt, 1970: 474; Baker et al., 1976: 63; Bhattacharyya, 1978: 80; Zaher, 1986: 51; Farrier & Hennessey, 1993: 33; Ostovan & Kamali, 1994: 11; Halliday et al., 1998: 21; Kamali et al., 2001: 7; Bhattacharyya & Sanyal, 2003: 230; Gupta, 2003: 4; Walter, 2003: 3; Gwiazdowicz & Gulvik, 2005b: 119; Gwiazdowicz & Walter, 2005: 65; Gwiazdowicz, 2007: 68; Çakmak et al., 2011: 582; Naghibinejad et al., 2012: 63; Eliaderani et al., 2013: 129.
Gamasellodes ( bicolor) bicolor .— Hurlbutt, 1970: 475.
Gamasellus americanus Garman, 1948: 9 (Synonymy with Gamasellodes ( bicolor) bicolor by Hurlbutt, 1970: 475; Baker et al., 1976: 63; Farrier & Hennessey, 1993: 33).
Cyrtolaelaps (Digamasellus) americanus .— Ryke, 1962c: 106.
Gamasellodes americanus .— Hurlbutt, 1967: 498; Bhattacharyya & Sanyal, 2003: 230.
Gamasellodes ( bicolor) americanus (sic).— Hurlbutt, 1970: 475.
Digamasellus circuliformis Leitner, 1949: 59 (Synonymy of G. (D.) bicolor by Bernhard, 1963: 105; Hurlbutt, 1970: 475; Karg, 1971b: 280; 1993: 284; Baker et al., 1976: 63; Farrier & Hennessey, 1993: 33).
Arctoseius circuliformis .— Hirschmann, 1951: 176; Sellnick, 1958: 23
Cyrtolaelaps (Digamasellus) circuliformis .— Ryke, 1962c: 108.
Gamasellodes circuliformis .— Hurlbutt, 1967: 498.
Gamasellodes major Athias-Henriot, 1961: 486 (Synonymy of G. bicolor by Hurlbutt, 1970: 475; Baker et al., 1976: 63; Farrier & Hennessey, 1993: 33).
Gamasellodes major .— Hirschmann, 1962: 48; Walter, 2003: 3; Gwiazdowicz & Walter, 2005: 65.
Leioseius major .—Karg, 2007: 131.
Digamasellus shealsi Costa, 1962: 486 (Synonymy of G. bicolor by Hurlbutt, 1970: 475; Baker et al., 1976: 63; Farrier & Hennessey, 1993: 33).
Digamasellus shealsi .— Hirschmann, 1962: 48.
Gamasellodes shealsi .— Hurlbutt, 1967: 498.
TYPE DEPOSITORY: of G. bicolor: Istituto Sperimentale per la Zoologia Agraria, Firenze, Italy; of G. americanus: Connecticut Agricultural Experiment Station, Connecticut, USA; of D. circuliformis: not stated; of D. shealsi: Hebrew University, Jerusalem, Israel; of G. major: Laboratoired’Acarologie, l’Ecole Pratique des Hautes Études, Paris, France.
TYPE LOCALITY AND HABITAT: of G. bicolor: Firenze, Italy, in humus of a vegetable garden; of G. americanus: Mount Carmel, Connecticut, USA, on bark of apple trees (Plantae: Rosaceae); of D. circuliformis: Admont, Austria, in manure; of D. shealsi: Israel, in nest of the mole-rat Spalax ehrenbergi (Animalia: Spalacidae); of G. major: Cuesta del Ralo Salcedo, Pontevedra, Spain, in moss on bark.
NOTE: Gwiazdowicz & Halliday (2008: 66) questioned the correct generic placement of G. (D.) bicolor .