Cremastocheilus westwoodi tridens

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

Distribution
California

Habitat
Common host is Veromessor.

Description
Form rather slender, much smaller than C. westwoodi, black, slightly shining above, more so beneath, the erect hairs coarse, rather short but very distinct, fulvous in color; head as in C. westwoodi, having small dense punctures, but with the median line of the anterior slope slightly tumid to the base of the abruptly and strongly relfexed clypeal apex;