Lasius distinguendus

Distribution
This taxon was described from Italy.

Nomenclature

 *  distinguendus. Formicina umbrata subsp. distinguenda Emery, 1916a: 64, figs. VI,4; VII,6 (w.q.) ITALY. Karavaiev, 1936: 214 (m.). [Also described as new, but bicornis susbp. distinguenda, by Emery, 1916b: 242.] Combination in Lasius: Müller, 1923: 13; in L. (Chthonolasius): Emery, 1925b: 234. Raised to species: Bondroit, 1918: 32. Subspecies of umbratus: Emery, 1922b: 13; Stärcke, 1937: 47. Status as species: Müller, 1923: 130. Junior synonym of umbratus: Wilson, 1955a: 151. Revived from synonymy as subspecies of umbratus: Pisarski, 1975: 39. Revived status as species: Collingwood, 1978: 72. See also: Collingwood, 1979: 102; Agosti & Collingwood, 1987a: 58; Seifert, 1988: 149; Seifert, 1990: 10. Senior synonym of hybrida: Stärcke, 1937: 57; Seifert, 1988: 149; of nuda and material of the unavailable name cereomicans referred here: Seifert, 1990: 10.
 * nuda. Formicina umbrata var. nuda Bondroit, 1917a: 176, fig. 2 (q.) no locality given. Junior synonym of affinis: Emery, 1925b: 234; of umbratus: Stärcke, 1937: 57; Agosti & Collingwood, 1987a: 58; of distinguendus: Seifert, 1990: 10.
 * hybrida. Formicina distinguenda var. hybrida Bondroit, 1918: 33 (w.q.) ITALY. [First available use of Formicina umbrata subsp. distinguenda var. hybrida Emery, 1916a: 66; unavailable name.] Combination in Lasius (Chthonolasius): Emery, 1925b: 234. Subspecies of umbratus: Emery, 1922b: 13. Junior synonym of distinguendus: Stärcke, 1937: 57. Revived from synonymy and raised to species: Arnol'di & Dlussky, 1978: 555 (in key). Junior synonym of distinguendus: Seifert, 1988: 149.