Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk).
Latest update: December 31st, 2022.
 
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Genus
Pseudelaphe
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Mexican Rat Snakes
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Mexikanische Nachtnattern
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Mexicanske Rottesnoge
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1943 |  |
Pseudelaphe Mertens & Rosenberg (type species: Coluber flavirufus Cope 1867) |
Contents:
2 species, of which 1 (50.0%) is endemic.
Endemism: 0%  100%
Remarks:
Previously included in the genus
Elaphe (e.g., Schulz 1996). Revalidated by Utiger, Helfenberger, Schätti, Schmidt, Ruf & Ziswiler (2002).
Distribution:
E. Mexico, N. Central America.
Reported from:
Belize,
Guatemala,
Honduras
(incl.
Islas de la Bahia
[Guanaja,
Roatan,
Utila]),
Mexico
(Campeche,
Chiapas,
Hidalgo,
Oaxaca,
Puebla,
Queretaro,
Quintana Roo,
San Luis Potosi,
Tabasco,
Tamaulipas,
Veracruz,
Yucatan),
Nicaragua
(incl.
Islas del Maiz
[Isla Grande del Maiz]).
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Meristic and other data
of the world's snakes.
Compiled by
V. Wallach
Key to abbreviations
Head drawings of the
genus Pseudelaphe.
Compiled by V. Wallach
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Pseudelaphe flavirufa
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Mexican Rat Snake, Red-blotched Rat Snake, Yellow-red Rat Snake, Tropical Rat Snake, (Mexican Night Snake)
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Mexikanische Nachtnatter
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Mexicansk Rødplettet Rottesnog
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1867 | |
Coluber flavirufus Cope |
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Elaphe flavirufa Gaige 1936 |
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Pseudelaphe flavirufa Utiger, Helfenberger, Schätti, Schmidt, Ruf & Ziswiler 2002 |
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1868 | |
Elaphis pardalinus Peters |
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Elaphe flavirufa pardalina Dowling 1952 |
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1887 | |
Elaphis rodriguezii Bocourt (Peters & Orejas-Miranda 1970) |
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1941 | |
Elaphe flavirufa matudai Smith |
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Pseudelaphe flavirufa matudai Utiger, Helfenberger, Schätti, Schmidt, Ruf & Ziswiler 2002 [by implication] |
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1966 | |
Elaphe flavirufa polysticha Smith & Williams (Schulz 1996) |
Other common names:
flavirufa: Northern Mexican Rat Snake, Tamaulipan Rat Snake, Northern Mexican Night Snake
matudai: Escuintla Rat Snake, Escuintla Night Snake, (Matuda's Rat Snake)
pardalina: Central American Rat Snake, Honduran Rat Snake, Honduran Night Snake
polysticha: Roatan Island Rat Snake
Remarks:
Previously included phaescens. A single record from the Nicaraguan mainland (Campbell & Howell 1965) refers to
Senticolis triaspis mutabilis (Villa, Wilson & Johnson 1988, Schulz 1996).
Distribution:
Belize,
Guatemala,
Honduras
(incl.
Islas de la Bahia
[Guanaja,
Roatan,
Utila]),
Mexico
(Campeche,
Chiapas,
Hidalgo,
Oaxaca,
Puebla,
Queretaro,
Quintana Roo,
San Luis Potosi,
Tabasco,
Tamaulipas,
Veracruz),
Nicaragua
(incl.
Islas del Maiz
[Isla Grande del Maiz]).
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Pseudelaphe phaescens
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Yucatan Rat Snake, Yucatan Night Snake
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Yucatan-Nachtnatter
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Yucatan-rottesnog
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1952 | |
Elaphe flavirufa phaescens Dowling |
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Elaphe phaescens Liner 1994 |
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Pseudelaphe phaescens Flores-Villela & Marquez 2004 |
Remarks:
Sometimes regarded as a subspecies of flavirufa (e.g., Lee 1996; Wallach, Williams & Boundy 2014), but treated as a separate species in many recent works
(e.g., Smith & Taylor 1966; Liner 1994, 2007; Flores-Villela & Marquez 2004; Liner & Casas-Andreu (eds.) 2008; Wilson & Johnson 2010).
Validity as a separate species supported by Dahn, Strickland, Osorio, Colston & Parkinson (2018).
Distribution:
Mexico
(Campeche,
Quintana Roo,
Yucatan).
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