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Species: Formica (rufa-group) densiventris   Viereck, 1903 

Classification:
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Taxonomic History (provided by Barry Bolton, 2016)

Formica fusca var. densiventris Viereck, 1903: 74 (w.) U.S.A. Nearctic. AntCat AntWiki HOL

Taxonomic history

Cole, 1954a PDF}: 90 (m.).
Junior synonym of Formica subaenescens: Wheeler, 1913i PDF: 504.
Revived from synonymy as subspecies of Formica fusca: Brown, 1947 PDF}: 7.
Raised to species: Creighton, 1950a PDF: 499.
Senior synonym of Formica spicata: Cole, 1954a PDF}: 89; Cole, 1955b PDF}: 50; of Formica rasilis: Mackay, Lowrie, et al., 1988: 114.

Distribution:


Nearctic Region: Arizona, California, Canada, Colorado, New Mexico, Utah, Washington
Neotropical Region: Mexico

Taxonomic Treatment (provided by Plazi)

Specimen Habitat Summary

Found most commonly in these habitats: 3 times found in subalpine woodland, 0 times found in Mixed hardwood forest, 2 times found in conifer forest, 0 times found in Aspen forest, 1 times found in Ponderosa pine forest, 2 times found in sparse ponderosa pine forest, 0 times found in On mesquite, 2 times found in pine forest, 0 times found in Ponderosa-pine-oak forest, 1 times found in lawn/conifer edge, ...

Found most commonly in these microhabitats: 13 times under stone, 1 times strays, 2 times nest under stone, 1 times nest under rock, 3 times foragers on ground, 1 times nest under dead wood, 1 times foragers, 1 times under dead wood, 1 times small thatch mound, 1 times nest in soil, 1 times under stone, populous nest with aggressive workers, ...

Collected most commonly using these methods: 29 times search, 3 times hand collecting, 1 times under rock, 1 times Thatched log stage 4, 0 times With aphids on Artemisia, 2 times Roadside, 0 times Under Log, 0 times log stage 2, 0 times log stage 4, 0 times pouroff, 0 times Hemicrater, ...

Elevations: collected from 5 - 3518 meters, 1741 meters average

Type specimens:



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