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|Combination in Proformica: Emery, 1912f PDF: 100; in Formica (Proformica): Wheeler, 1913i PDF: 539; in Formica: Francoeur, 1973 PDF: 114.|
|Subspecies of Formica fusca: Wheeler, 1908k PDF: 409; of Formica neogagates: Wheeler, 1913i PDF: 539.|
Found most commonly in these habitats: 12 times found in pine/fir woodland, 6 times found in coastal scrub, 0 times found in Ponderosa pine forest, 0 times found in Meadow, 4 times found in subalpine meadow, 0 times found in Mixed-canyon forest, 4 times found in conifer forest, 2 times found in chaparral, 2 times found in pine/fir forest, 0 times found in Mixed canyon forest, ...
Found most commonly in these microhabitats: 32 times under stone, 19 times nest under rock, 9 times foragers, 9 times ground foragers, 4 times strays, 2 times under stones, 1 times nest in dead lupine root, 2 times ground nest, 3 times nest under stone, 1 times under 1" of soil and grass pressed against slab, Solenopsis nest, Myrmica worke times steep, open grassland with scattered pines. 1550, ...
Collected most commonly using these methods: 81 times search, 44 times hand collecting, 1 times under rock, 7 times Bay Area Ant Survey (BAAS), 2 times in pitfall trap, 1 times hand coll., 2 times Davis sifter, 0 times Sandy roadside, 0 times Under log, 1 times 6L sifted litter; extracted in Winkler sack over72 hours, 0 times with Hetaerus brunneipennis, ...
Elevations: collected from 5 - 3420 meters, 1564 meters average