Primary type information:
Type-material: holotype queen. Type-locality: Switzerland: Saas-Fee, ca 1800 m., 29.vii.1949, in nest of Leptothorax acervorum (H. Kutter). Type-depository: NHMB.
Secondary type information:
Paratype-material: 7 paratype queens, 1 paratype male. Paratype-locality: same as for holotype. Paratype-depository: NHMB.