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Species: Polyergus (rufescens) breviceps   Emery, 1893 

Download Data

Taxonomic History (provided by Barry Bolton, 2014)

Polyergus rufescens subsp. breviceps Emery, 1893k PDF: 666 (w.) U.S.A. Nearctic. AntCat AntWiki

Taxonomic history

Raised to species: Kannowski, 1956: 185; Wheeler, 1968 PDF: 163.
Senior synonym of Polyergus bicolor, Polyergus umbratus: Wheeler, 1968 PDF: 163.
Material of the unavailable names Polyergus fusciventris, Polyergus montezuma, Polyergus silvestrii referred here by Creighton, 1950a PDF: 559.
See also: Hölldobler, 1985: 225; Trager, 2013 PDF: 511.


collected from the Chiricahua Mtns, Cochise Co.


Mesic and wet-mesic prairie and adjacent pasture and old field; host F. montana.


This species is quite distinct in morphology and host array from the next species, and though both are currently considered part of P. breviceps, this one matches the types from Breckenridge, Colorado.

Taxonomic Treatment (provided by Plazi)

Specimen Habitat Summary

Found most commonly in these habitats: 2 times found in Pasture, 2 times found in pine/fir forest, 3 times found in Redshank chaparral, 1 times found in Ponderosa Pine Forest, 1 times found in Poplar-willow woiodland, 1 times found in Greasewood Desert, 1 times found in Low meadow, 1 times found in meadow, 1 times found in Oak woodland, 1 times found in Aspen forest, ...

Collected most commonly using these methods or in the following microhabitats: 2 times hand collecting, 2 times under rock, 2 times in pitfall trap, 1 times large domed nest, 3 ft. diam., 1 times log stage 4, 1 times log stage 5, 3 times Bay Area Ant Survey (BAAS), 1 times domed nest, 2 times (=incip. col. P1 collected Aug 1982)

Elevations: collected from 40 - 3060 meters, 1871 meters average

Type specimens: syntype: casent0179559; syntype of Polyergus breviceps: casent0912265; syntype of Polyergus rufescens bicolor: casent0912267; syntype of Polyergus rufescens bicolor: casent0911120; syntype of Polyergus rufescens breviceps silvestrii: casent0912266

(-1 examples)

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