Phyllophaga tarsalis is a species in the genus Phyllophaga ("May beetles"), in the subfamily Melolonthinae ("May beetles and junebugs"). It is found in North America.
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. Arnett, Ross H. (2000). American Insects: A Handbook of the Insects of America North of Mexico. CRC Press. Evans, Arthur V. (2003). "A checklist of the New World chafers (Coleoptera: Scarabaeidae: Melolonthinae)". Richard E. White. (1983). Peterson Field Guides: Beetles. Houghton Mifflin Company.