Cremastocheilus saucius is a species of anteater scarab beetles in the family Scarabaeidae.
References
Further reading
Arnett, R.H. Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). (2002). American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea. CRC Press LLC, Boca Raton, FL.
Richard E. White. (1983). Peterson Field Guides: Beetles. Houghton Mifflin Company.