Current View: All Antweb
Change View
Cite this page

Citing AntWeb


To cite this page, please use the following:

· For print:      Citation: AntWeb. Version 8.81. California Academy of Science, online at Accessed .

· For web:

Species: Lasius fallax   Wilson, 1955 

Download Data

Current Valid Name:

Taxonomic History (provided by Barry Bolton, 2022)

Lasius (Cautolasius) fallax Wilson, 1955a PDF: 130 (w.q.m.) U.S.A. Nearctic. AntCat AntWiki HOL
// Distribution


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

Specimen Habitat Summary

Found most commonly in these habitats: 33 times found in nest under stone, pine forest clearing, sagebrush moist light brown rocky loam, 19 times found in under medium stone, pine/fir aspen forest, sage brush light brown rocky clay, 3 times found in open sagebrush, sparse pines, 1 times found in sage/aspen ecotone, 1 times found in salt desert scrub, 1 times found in shrub steppe/aspen, 1 times found in aspen grove, 1 times found in pine-fir woodland, 1 times found in Stream edge, 1 times found in pak-pine-juniper woodland, ...

Found most commonly in these microhabitats: 6 times under stone, 1 times nest under stone, 1 times nest under stone in pine duff, 2 times nest under rock, 1 times under rock, 1 times under multiple stones.

Collected most commonly using these methods: 8 times search, 1 times hand collecting.

Elevations: collected from 400 - 2920 meters, 1819 meters average

Collect Date Range: collected between 1933-07-30 00:00:00.0 and 2016-08-07 00:00:00.0

Type specimens: Paratype: fmnhins0000062720, fmnhins0000062721, fmnhins0000062722, fmnhins0000062723, fmnhins0000062724, fmnhins0000062725, fmnhins0000062726; paratype of Lasius fallax: casent0903206

See something amiss? Send us an email.