Taxonomic history
| [First available use of Formica rufa obscuriventris integroides Emery, 1893k PDF: 649; unavailable name.]. |
| Subspecies of Formica rufa: Creighton, 1940a PDF: 3. |
| Raised to species and senior synonym of Formica subcaviceps: Creighton, 1950a PDF: 489. |
| Senior synonym of Formica subfasciata: Brown, 1965d: 185. |
Found most commonly in these habitats: 3 times found in oak woodland, 3 times found in chaparral, 1 times found in coastal scrub, 2 times found in mixed conifer/broadleaf riparian zone, 1 times found in ponderosa pine woods, 1 times found in sagebrush-Pinus jeffreyi, 1 times found in shrub steppe, 1 times found in pine woodland, 1 times found in ponderosa pine forest
Collected most commonly using these methods or in the following microhabitats: 8 times search, 1 times Bay Area Ant Survey (BAAS)
Elevations: collected from 240 - 1580 meters, 684 meters average
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