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Species: Aphaenogaster occidentalis   (Emery, 1895) 

Classification:
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Taxonomic History (provided by Barry Bolton, 2019)

Stenamma (Aphaenogaster) subterraneum subsp. occidentale Emery, 1895d PDF: 301 (w.) U.S.A. Nearctic. Primary type information: Pullman, Washington [46°44′N 117°11′W], United States (T. Pergande). AntCat AntWiki HOL

Taxonomic history

Combination in Aphaenogaster (Attomyrma): Emery, 1921c: 60.
Status as species: Hunt & Snelling, 1975 PDF: 21.
Material of the unavailable name Aphaenogaster manni referred here: Creighton, 1950a PDF: 150.

Taxon Page Images:

A queen Aphaenogaster occidentalis in the nest (Blodgett Forest, California, USA).
Image copyright Alex Wild.

Distribution:

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

Taxonomic Treatment (provided by Plazi)

Specimen Habitat Summary

Found most commonly in these habitats: 25 times found in oak woodland, 7 times found in pine forest, 2 times found in Riparian woodland around stream; mostly Acer grandidentata, abundant Rubus parviflorus in understory., 13 times found in shrub steppe, 11 times found in redwood forest, 8 times found in conifer forest, 9 times found in Deciduous thicket, 9 times found in chaparral, 8 times found in Ponderosa pine forest, 6 times found in pine/fir woodland, ...

Found most commonly in these microhabitats: 68 times under stone, 88 times under rock, 13 times nest under stone, 13 times nest under rock, 7 times ex sifted leaf litter, 6 times ground forager(s), 8 times leaf litter, 5 times nest under P. menziesii logs, 4 times under rocks, 4 times nocturnal foragers, 6 times sifted litter, ...

Collected most commonly using these methods: 94 times Search, 54 times hand collecting, 23 times Bay Area Ant Survey (BAAS), 29 times aspirated, 3 times pitfall trap, 9 times direct collection, 6 times Davis sifter, 6 times winkler, 2 times hand coll., 1 times Winkler sifter, 1 times Bay Area Ant Survey (BAAS), collected via trap 2-3 inches, ...

Elevations: collected from 5 - 3565 meters, 1218 meters average

Type specimens: syntype of Stenamma subterraneum occidentale: casent0916078; type: casent0172935, casent0172936, casent0172937



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