Formica thijssei Betrem, 1955 junior synonym of current valid taxon Formica pratensis Retzius, 1783
Formica thijssei Betrem, 1955b: 392 (q.) NETHERLANDS. Palearctic.
Primary type information: Primary type material: holotype queen. Primary type locality: Netherlands: Prov. Guelderland, Eerbeek, Veluwe, vi.1916 (V. Lucassen). Primary type depository: NBCL. Type notes: Betrem, 1955b’s description is based on Stärcke, 1942c’s original single specimen of Formica pratensis thyssei.
Citations