Primary type information:
Primary type material: lectotype male (by designation of Trager, 1984b: 76). Primary type locality: lectotype Finland: Helsingfors (= Helsinki), botanical gardens in greenhouse (W. Nylander). Primary type depository: ZMHF.
Secondary type information:
Secondary type material: 4 paralectotype workers, 1 paralectotype queen. Secondary type locality: same as for lectotype. Secondary type depository: ZMHF.
Type notes:Trager, 1984b: 78, includes the date 2-25.x.1845, but Radchenko, 2007: 34, records only part of this date (2.x.45), and only for the paralectotype queen.