Primary type information:
Primary type material: lectotype worker (by designation of DuBois, 1998b: 233). Primary type locality: lectotype Ukraine: vic. Norddonetz Biologischen Station, 40 km. SE Kharkov, 1923, nos 1026, 1088, “etc.” (Arnol’di) Primary type depository: ZMUM
Secondary type information:
Secondary type material: paralectotype workers, paralectotype queens, paralectotype males (numbers not stated, but 26 specimens in total). Secondary type locality: same as for lectotype. Secondary type depository: ZMUM
Type notes:DuBois, 1998b: 233, does not specify the collection number of the lectotype.