Western Black-necked Gartersnake
Thamnophis cyrtopsis cyrtopsis
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- T. c. cyrtopsis – Jeff Davis Co, TX – photo by Alex and Kevin Porteck
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- T. c. cyrtopsis – Santa Cruz Co, AZ – photo by Diego Ortiz
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- T. c. cyrtopsis – Santa Cruz Co, AZ – photo by Kent VanSooy
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- T. c. cyrtopsis – Santa Cruz Co, AZ – photo by Steve Bledsoe
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- T. c. cyrtopsis – Yavapai Co, AZ – photo by Diego Ortiz
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- T. c. cyrtopsis – Yavapai Co, AZ – photo by Kerby Ross
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- T. c. cyrtopsis – Yavapai Co, AZ – photo by Kerby Ross
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- Map by Steve Bledsoe, SWCHR
DISTRIBUTION: In our region, Thamnophis c. cyrtopsis occurs from the Trans-Pecos region of Texas westward throughout much of New Mexico, southeastern Arizona and in southeastern Utah. In addition, there are several small isolated populations in western Arizona.
LEGAL STATUS: No Listings
MEANING OF SCIENTIFIC NAME: Thamnophis cyrtopsis cyrtopsis (Kennicott – 1860)
Genus: Thamnophis, Greek – thamnos = shrub or bush + ophis = snake, serpent
Species/ Subspecies: cyrtopsis, Greek – cyrto = curved + opsis = having the appearance of – ref. posterior curvature of black nuchal splotches
Ref. Ellen Beltz 2006
Ref. E. Jaeger 1962