Alaudes coloradoensis

Diagnosis
Lateral aspect of pronotum with short, clavate setae. Elytral vestiture slender and hair-like throughout, never clavate-lanceolate, of two sizes, length of longest setae equal to or longer than apical three antennomeres combined, always much longer than twice width; punctures fine, distance between punctures distinctly longer than size of puncture,body wider, larger. Anterior margin of head deeply excavate, lateral, basal aspect of head with sublateral indentation,pronotum with lateral apical aspect strongly expanded subapically, Colorado Desert species.

Description
Elytral setae never occasionally clavate lanceolate, of 2 sizes, length of longest setae equal to or longer than apical 3 antennomeres combined; punctures fine, distance between punctures distinctly longer than size of puncture; body wider, larger. Anterior margin of head deeply excavated, basolateral aspect of head with sublateral indentation (Fig. 6A); pronotum with lateral apical aspect strongly expanded subapically, Colorado Desert species

Distribution
California, Colorado Desert.

Biology
In pitfall traps in desert washes, hillsides, at the base of Opuntia parryi Engelm. Sand wash with creosote bush and paloverde. Elevation range 150–700 m.