Messor caducus (Motschoulsky, 1839)
Messor semirufus meridionalis: Atanassov 1936, 1964, Atanassov and Vassileva 1976, Hubenov et al. 1998, nec André, 1883
Records
(Map 18): Bulgaria (Atanassov and Dlusskij 1992); Podbalkan Basins: Sotirya vill. (Sliven) [Atanassov and Vassileva 1976 (as Messor semirufus meridionalis)]; Thracian Lowland: Harmanli [Atanassov and Vassileva 1976 and Hubenov et al. 1998 (as Messor semirufus meridionalis)]; Ograzhden Mt. [Atanassov and Vassileva 1976 (as Messor semirufus meridionalis)]; Belasitsa Mt. (Hubenov et al. 1998): east slopes of Belasitsa Mt. [Atanassov 1964 (as Messor semirufus meridionalis)]; Krupnik-Sandanski-Petrich Valley: Petrich [Atanassov and Vassileva 1976 (as Messor semirufus meridionalis)]; Eastern Rhodopi Mts: Kardzhali [Atanassov and Vassileva 1976 (as Messor semirufus meridionalis)]; Northern Black Sea coast: Obzor [Atanassov and Vassileva 1976 and Hubenov et al. 1998 (as Messor semirufus meridionalis)]; Southern Black Sea coast: Ropotamo river - Sozopol [Atanassov 1936 (as Messor semirufus var. meridionalis)].