Arizona records
Mexican Garter Snake in Arizona
HarmlessThamnophis eques

Yes. The Mexican Garter Snake has been recorded in 12 Arizona counties. It is non-venomous (harmless). Slender body with three light stripes running the length of a darker back.
Arizona counties with Mexican Garter Snake records
12 listedSee the full Mexican Garter Snake profile or all snakes in Arizona.