Abstract
One new species of Copris Geoffroy from Sonora and Chihuahua is described and illustrated: Copris warneri sp. nov. The new species is closely related to C. arizonensis Schaeffer. Drawings of the male and female and a distribution map are included. New distributional records for C. arizonensis Schaeffer and C. martinezi Matthews and Halffter are provided.References
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