Formica fusca subsp. pruinosa Wheeler, 1917a: 548 (w.q.m.) CANADA (British Columbia). Nearctic.

Primary type information: Primary type material: lectotype worker (by designation of Francoeur, 1973: 84). Primary type locality: lectotype Canada: British Columbia, Emerald Lake, 12-15.viii. (W.M. Wheeler). Primary type depository: MCZC. Secondary type information: Secondary type material: paralectotype workers (number not stated), 3 paralectotype queens, 2 paralectotype males. Secondary type locality: same as for lectotype. Secondary type depositories: AMNH, CDAO, LACM, MCZC, USNM.

Infrasubspecies

• F. f. p. lutescens Wheeler, 1917