This change is performed to reflect an update to the taxonomy of the Lampropeltis mexicana group (Serpentes: Colubridae). The change involves the split of the species Lampropeltis mexicana (sensu lato) into three parapatric or allopatric species: Lampropeltis leonis, Lampropeltis greeri, and Lampropeltis mexicana (sensu stricto).
Hansen, R. W., and G. T. Salmon. 2017. Distribution analysis, taxonomic updates, and conservation status for the Lampropeltis mexicana group (Serpentes: Colubridae). Mesoamerican Herpetology. 4(4): 700–758. (連結)