Formica pratensis var. nigricans Bondroit, 1912: 352 (w.) ITALY. Palearctic.

Primary type information: Primary type material: lectotype worker (by designation of Betrem, 1962a: 38). Primary type locality: lectotype Italy: Apennine Mts, Vallombrosa (no collector’s name; perhaps Emery). Primary type depository: MHNG. Primary type specimen: MHNG ENTO 00085011 (lectotype). Secondary type information: Secondary type material: paralectotype workers (number not stated). Secondary type locality: same as for lectotype. Secondary type depository: MHNG. Type notes: 1) Other original syntype localities: Maritime Alps (France + Italy), Spain. 2) Betrem, 1962a: 38, says that he only found a single specimen (now the lectotype) in MHNG (no material in MSNG).