Formica caerulescens Losana, 1834: 314, fig. 3 (w.) ITALY. Palearctic.

Primary type information: Primary type material: holotype (?) worker. Primary type locality: Italy: Piedmont (M. Losana). Primary type depository: unknown (no material known to exist). Type notes: 1) No indication of number of specimens is given. 2) Losana is not mentioned in Horn & Kahle, 1935, Horn & Kahle, 1937.