Cremastocheilus crinitus

One of about thirty-five species of myrmecophilous Cremastocheilus. The host ant is Formica gnava.

Distribution
Arizona (Verde valley, Montezuma Well, March 27, 2012), Colorado, Idaho, Utah, Washington; Canada (British Colombia)

Habitat
Common host is Formica gnava.

Nomenclature

 * Cremastocheilus pugetanus Casey 1915 Syn.
 * Cremastocheilus bifoveatus Van Dyke 1918 Syn