Messor structor tyrrhenus

Distribution based on Regional Taxon Lists
Palaearctic Region: Gibraltar, Italy, Spain.

Nomenclature

 * . Stenamma (Messor) structor var. tyrrhena Emery, 1898c: 141 (w.q.m.) ITALY, SPAIN, GIBRALTAR.
 * Type-material: syntype workers, syntype queens, syntype males (numbers not stated).
 * Type-localities: Italy (+ islands) (no further data), Spain: (no further data), Gibraltar (J.J. Walker).
 * Type-depository: MSNG.
 * [Misspelled as tyrrenus by Ruzsky, 1905b: 733; misspelled as thyrrena by Emery, 1921b: 210.]
 * Combination in Messor: Emery, 1908e: 456.
 * As unavailable (infrasubspecific) name: Emery, 1908e: 456; Forel, 1911d: 347; Emery, 1912f: 97; Karavaiev, 1912a: 10; Krausse, 1912b: 164; Emery, 1915a: 245; Emery, 1916b: 143; Menozzi, 1918: 82; Emery, 1921f: 73; Menozzi, 1921: 26; Soudek, 1925b: 15.
 * Subspecies of barbarus: Ceballos, 1956: 302.
 * Junior synonym of rufitarsis Fabricius: Bernard, 1967: 144; Collingwood, 1978: 68.
 * Junior synonym of structor: Emery, 1921b: 210; Finzi, 1924a: 13; Finzi, 1929: 90; Zimmermann, 1935: 15; Baroni Urbani, 1971c: 66; Bolton, 1995b: 258; Casevitz-Weulersse & Galkowski, 2009: 489; Kiran & Karaman, 2012: 20; Radchenko, 2016: 171.
 * Subspecies of structor: Forel, 1915d: 35 (in key); Wheeler, W.M. 1926: 2; Kutter, 1927: 99; Steiner, Csösz, et al. 2018: supplementary material, 6 (nomen dubium).
 * Distribution: Gibraltar, Italy (+ Sicily), Spain (+ Balearics), Turkey, Ukraine.