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Species: Formica obscuripes   Forel, 1886 

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Taxonomic History (provided by Barry Bolton, 2023)

Formica rufa r. obscuripes Forel, 1886b PDF: xxxix (w.) U.S.A. (Wyoming). Nearctic. Primary type information: Primary type material: syntype workers (number not stated). Primary type locality: U.S.A.: Wyoming, Green River (S.H. Scudder). Primary type depositories: MCZC, USNM. AntCat AntWiki

Taxonomic history

[Misspelled as obscurpes by Forel, 1914c PDF: 619.]
Emery, 1893k PDF: 650 (q.m.); Wheeler & Wheeler, 1953c PDF: 165 (l.); Hung, 1969 PDF: 456 (k.)
As unavailable (infrasubspecific) name: Emery, 1893k PDF: 650.
Material of the unavailable name Formica rufa obscuriventris rubiginosa Emery, 1893 referred here by Creighton, 1940a PDF: 1; Creighton, 1950a PDF: 492; Smith, 1951c PDF: 869; Smith, 1979: 1460; Bolton, 1995b: 200.

Taxon Page Images:

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// Distribution


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Canada, United States
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Taxonomic Treatment (provided by Plazi)

Specimen Habitat Summary

Found most commonly in these habitats: 12 times found in shrub steppe, 10 times found in conifer forest, 21 times found in sagebrush, 10 times found in alpine meadow edge, 6 times found in aspen forest, 10 times found in Oak fir, 5 times found in aspen grove, 6 times found in meadow, 8 times found in Shortgrass prairie, 8 times found in Pinyon-Cedar woodland, ...

Found most commonly in these microhabitats: 59 times thatch mound, 14 times thatch mound nest, 26 times thatched nest, 22 times Under rock, 21 times On Ground, 11 times mound nest, 18 times Under boulder, 10 times under stone, 14 times forager, 7 times Formica obscuripes mound, 8 times foragers, ...

Collected most commonly using these methods: 251 times search, 22 times hand collecting, 3 times direct collection, 1 times pitfall, 1 times hand collected, 1 times observation, 0 times sweeping, 1 times Winkler.

Elevations: collected from 5 - 3115 meters, 1937 meters average

Collect Date Range: collected between 1877-12-31 00:00:00.0 and 2022-07-17 00:00:00.0

Type specimens: syntype of Formica obscuripes: casent0911081; Type of unavailable quadrinomial: Formica rufa obscuriventris melanotica: casent0905698

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