Formica atricolor Nylander 1849

Investigated were three syntypes on three different pins labeled ‘Ross.mer. \ Motschulsky 22\ Coll. Nyland \ Motschulsky \ Mus. Zool H:fors Spec. typ. No 5086 Formica atricolor Nyl’, FMNH Helsinki. The syntypes have identical labels except for ‘Spec. typ. No’ which is5087 and 5088 in the other two specimens. The three syntype workers are allocated to C. atricolor with mean p = 1.0000 if run as wild-card in a 5-class LDA considering the five black species of the group given in Tab. 3 .