Formica microphthalma

Distribution
California and western Nevada.

Distribution based on Regional Taxon Lists
Nearctic Region: United States.

Biology
Nevada, Wheeler and Wheeler (1986) - Our 7 records represent 3 localities near Lake Tahoe. All were in the Coniferous Forest Biome. One nest was under a stone; another was exposed and surmounted by a 23-cm crater around a 25-mm entrance.

Nomenclature

 *  microphthalma. Formica microphthalma Francoeur, 1973: 201, figs. 344-359 (w.m.) U.S.A.