Lasius humilis

This ant can be found nesting under rocks in Juniper, Pinon Pine woodlands at around 2,377 meters elevation.

Identification
This small, pale yellow Lasius has very small eyes. The promesonotal suture is absent and the dorsal crest of the petiole when viewed from the front is wedge-shaped, tapering to form an angular, non-emarginate median prominence.

Distribution
This taxon was described from the United States. It has been found in California, Colorado, Arizona, Nevada and New Mexico (Navajo Reservation).

Biology
This ant is uncommon and little is known about its biology. Found under stones in open areas around 2,300 meters elevation.

Nomenclature

 *  humilis. Lasius (Formicina) humilis Wheeler, W.M. 1917a: 528 (w.q.) U.S.A. Combination in L. (Chthonolasius): Emery, 1925b: 233. See also: Wilson, 1955a: 185.

Description
Type Locality: Pyramid Lake, Nevada, a queen collected by William M. Mann in 1945.