Callisthenes (Chrysostigma) affinis (Chaudoir 1843)  

Locality: Native, New World. Mexico- CH, DU, DF, HD, MX, NL, OA, SL, TM; USA- AR, AZ, CA, CO, KS, MO, ME, NE, NM, NV, OK, TX, UT.

Common Name: Related Beautiful Black Searcher

Synonyms: Calosoma affine Chaudoir, 1843; Calosoma triste LeConte, 1845; Calosoma tristoides Fall, 1910