Cremastocheilus mentalis

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

Identification
Body and legs dark red, surface opaque; head densely punctate; posterior angles of pronotum flat above, no excavation inside and anterior of posterior pronotal angles; elytra densely covered with oblong punctures, separated by their own widths laterally, overlapping longitudinally, with finely reticulate sculpturing between punctures.

Distribution
Arizona (Cochise Co., Pima Co., Santa Cruz Co., Pinal Co.)

Habitat
Common host is Novomessor albisetosus.

Nomenclature
Holotype female at Arizona State University, collected by Mr. E.R. Leach at Nogales, Arizona, Sept. 6, 1928.