Thrinchostoma de Saussure, 1890

Pauly, Alain & Eardley, Connal, 2013, A Revision of Afrotropical Thrinchostoma de Saussure, 1890 (Hymenoptera: Apoidea: Halictidae), Belgian Journal of Entomology 12, pp. 1-76 : 13

Genus Thrinchostoma de Saussure, 1890

Thrinchostoma de Saussure, 1890: 52 .

Type species: Thrinchostoma renitantely de Saussure, 1890 by monotypy; Blüthgen, 1930: 495–542; Michener, 1978: 507, 520, 521–525, 537–538; Michener, 1997: 58; Pauly, 1999: 142, 154–155; Pauly In: Pauly et al., 2001: 82–101.

Trichostoma [!] de Saussure: Dalla Torre, 1896: 381, unjustified emendation of Thrinchostoma de Saussure, 1890 ; Friese 1909a: 150.

Thricostoma [!] de Saussure: Dalla Torre, 1896: 641, unjustified emendation of Thrinchostoma de Saussure, 1890 ; Blüthgen, 1928: 1930.

Trinchchostoma [!] de Saussure: Ashmead, 1899: 91, lapsus for Thrinchostoma de Saussure, 1890 .

Thrinchostoma (Thrinchostoma) de Saussure : Michener, 1978: 523–524; Pauly, 1984: 144– 145; Michener, 2000: 374; Pauly In: Pauly et al., 2001: 82–101.

Nesothrincostoma Blüthgen, 1933: 364 .

Type species: Thrinchostoma serricorne Blüthgen, 1933 , by monotypy; Michener, 1997: 41. syn.

Diagonozus Enderlein, 1903: 35 .

Type species: Diagonozus bicometes Enderlein, 1903 , by monotypy; Michener, 1997: 20.

Thrinchostoma (Diagonozus) Enderlein : Michener, 1978: 525; Michener, 2000: 374.

Thrinchostoma (Eothrincostoma) Blüthgen, 1930: 496 , 501.

Type species: Halictus torridus Smith, 1879 , designated by Sandhouse, 1943; Michener, 1978: 523; Michener, 1997: 22; Michener, 2000: 374.

DIAGNOSIS. The genus Thrinchostoma differs from other African Halictine bees by the long malar area in both sexes. The male has the hind tibiae with an apical enlargement named « apical lobe ». Setae on apical margins of terga orientated laterally.