Lasius distinguendus (Emery, 1916)
Lasius hybridus (Bondroit, 1918)
Records
(Map 52): Bulgaria (Agosti and Collingwood 1987a, Seifert 1988b, Schlick-Steiner et al. 2002); Western Predbalkan: Rachene river valley [Vassilev 1984 (as Lasius hybridus)].
Notes:
This species was omitted by Atanassov and Dlusskij (1992).