Primary type information:
Primary type material: syntype workers, syntype queens, syntype males (numbers not stated). Primary type locality: Switzerland: Valais Canton, Zermatt, 6.viii.1919 (H. Kutter
), Valais Canton, Zermatt, vii.1961 (Leutert
). Primary type depository: NHML
1) Seifert, 2000a
: 525, cites 3 worker, 4 queen, 1 male syntypes. 2) Seifert & Schultz, 2021
: 199, record the holotype as a queen, but Kutter, 1967a
: 229, 230, 233, lists 3 holotypes, one each for worker, queen and male: hence all are syntypes.