Abstract: Three Mediterranean ant species – Camponotus aegaeus Emery, 1915, Camponotus gestroi Emery, 1878 and Crematogaster auberti Emery, 1869 – were found on Bulgarian territory for the first time. The report of Camponotus aegaeus for Bulgaria is the first for continental Europe as well. The total number of known ant species for Bulgaria increases to more than 160.