Arid Land Ribbon Snake
Thamnophis proximus diabolicus
DISTRIBUTION: In our region, Thamnophis p. diabolicus occurs in southwestern Texas, in portions of the Texas Panhandle and in northeastern and southeastern New Mexico. It has a broad, poorly defined intergradation zone with several adjucant subspecies in Texas.
LEGAL STATUS: Thamnophis p. diabolicus has no protected status in Texas but is protected as a Threatened Species by the State of New Mexico.