Formica pratensis nuda Ruzsky, 1926 incertae sedis in genus, unidentifiable
Formica pratensis subsp. nuda Ruzsky, 1926: 110 (w.) KAZAKHSTAN. Palearctic.
Primary type information: Primary type material: syntype workers (number not stated). Primary type locality: Kazakhstan: Semipalatinsk obl., Zaisan, Chilikty, 4.vi.1914 (N.P. Nekhoroshev). Primary type depository: perhaps ZMUM (no material in ZISP (Seifert, 2021: 176)).
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