Formica nigricans staerckei Betrem, 1960 an obsolete combination of Formica pratensis staerckei Betrem, 1960
Formica nigricans var. staerckei Betrem, 1960a: 132 (in text) (q.) NETHERLANDS. Palearctic.
Primary type information: Primary type material: holotype queen. Primary type locality: Netherlands: Exaten, 30.v.1885, “Ex from... (illegible)” (ex coll. E. Wasmann). Primary type depository: NHMM.
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