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Species: Lasius (Chthonolasius) subumbratus   Viereck, 1903 

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Lasius subumbratus_nr1

Taxonomic History (provided by Barry Bolton, 2020)

Lasius umbratus subsp. subumbratus Viereck, 1903 PDF: 73 (q.) U.S.A. Nearctic. AntCat AntWiki HOL

Taxonomic history

Wheeler, 1910h PDF: 238 (w.m.).
Raised to species: Creighton, 1950a PDF: 424.
See also: Wheeler, 1917h PDF: 167; Wilson, 1955a PDF: 175.
// Distribution


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

Taxonomic Treatment (provided by Plazi)

Specimen Habitat Summary

Found most commonly in these habitats: 5 times found in Mixed canyon forest, 3 times found in oak woodland, 1 times found in grassy old homestead, 3 times found in Ponderosa pine forest, 2 times found in Garden, 2 times found in Tundra, 1 times found in conifer forest, 1 times found in conifer woodland, 2 times found in willow-poplar woodland, 1 times found in conifer/maple forest, ...

Found most commonly in these microhabitats: 5 times under stone, 8 times under rock, 4 times under boulder, 2 times nest under dead wood, 3 times under log, 2 times under rock, in leaf mold, 1 times Under rock in partial shade at gap edge. Rich soil., 1 times under fallen bark in moist soil in open, 1 times under bark of ponderosa pine, 1 times rotting pine stump, 1 times log stage 5, ...

Collected most commonly using these methods: 9 times search, 1 times hand collecting, 1 times Berlese, 1 times hand collected|found dead.

Elevations: collected from 15 - 4345 meters, 2091 meters average

Collect Date Range: collected between 1922-05-06 and 2018-08-06

Type specimens:

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