Messor melancholicus

Distribution
This taxon was described from Caucasus. It is also found in Kazakhstan.

Nomenclature

 *  melancholicus. Messor melancholicus Arnol'di, 1977b: 1639 (s.w.) CAUCASUS. [First available use of Messor structor subsp. striaticeps var. melancholica Karavaiev, 1926b: 104; unavailable name.] Senior synonym of schelkovnikovi: Arakelian, 1994: 36.
 * schelkovnikovi. Messor melancholicus subsp. schelkovnikovi Arnol'di, 1977b: 1639 (w.q.) KAZAKHSTAN. Junior synonym of melancholicus: Arakelian, 1994: 36.