Current View: All Antweb
Change View
Cite this page

Citing AntWeb


To cite this page, please use the following:

· For print:      Citation: AntWeb. Version 8.41. California Academy of Science, online at Accessed .

· For web:

Species: Leptothorax crassipilis   Wheeler, 1917 

Download Data

See Also:

Leptothorax crassipilis_nr

Taxonomic History (provided by Barry Bolton, 2020)

Leptothorax acervorum subsp. crassipilis Wheeler, 1917a PDF: 513 (w.q.m.) U.S.A. Nearctic. AntCat AntWiki HOL

Taxonomic history

Raised to species: Creighton, 1950a PDF: 278.
See also: Loiselle et al., 1990 PDF: 329.
// Distribution


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

Specimen Habitat Summary

Found most commonly in these habitats: 4 times found in open grassland with scattered pines, 1 times found in conifer woodland, 2 times found in pine-fir woodland, 2 times found in Pine/oak, 3 times found in Mixed canyon forest, 2 times found in ponderosa pine-oak forest, 2 times found in pine-fir forest, 1 times found in Pinus ponderosa forest, 1 times found in Mixed forest, 1 times found in Ponderosa pine forest, ...

Found most commonly in these microhabitats: 1 times nest under bark of Pinus ponderosa stump, 6 times under rock, 1 times nest under stone, 3 times under stone, 1 times nest between cracks of rock under Pinus ponerosa, 1 times under bark of dead Populus, 1 times nest under slab of rock on large boulder, 2 times in pine needles under stone, 2 times ground forager, 1 times under wood, 1 times under lichen mat, Ochrolechia sp., ...

Collected most commonly using these methods: 6 times hand collecting, 2 times search, 1 times direct collection.

Elevations: collected from 420 - 2860 meters, 2444 meters average

Collect Date Range: collected between 1902-07-22 and 2019-07-18

Type specimens: paratype of Leptothorax acervorum crassipilis: casent0901773

See something amiss? Send us an email.