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Tachymenis chilensis (SCHLEGEL, 1837)

IUCN Red List - Tachymenis chilensis - Least Concern, LC

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
SubspeciesTachymenis chilensis chilensis (SCHLEGEL 1837)
Tachymenis chilensis coronellina WERNER 1898 
Common NamesE: Chilean Slender Snake 
SynonymCoronella chilensis SCHLEGEL 1837: 70
Dipsas chilensis — DUMÉRIL & BIBRON 1854: 1159
Tachymenis chilensis — GIRARD 1854: 226
Tachymenis chilensis chilensis — WALKER 1945: 28
Tachymenis peruviana assimilis (Jan) - DONOSO-BARROS 1966: 403
Tachymenis peruviana chilensis — PETERS & OREJAS-MIRANDA 1970: 291
Tachymenis chilensis — WALLACH et al. 2014: 695

Tachymenis chilensis coronellina WERNER 1898
Tachymenis peruviana var. coronellina WERNER 1898: 259
Tachymenis peruviana var. catenata WERNER 1898: 259
Tachymenis chilensis coronellina — RUIZ DE GAMBOA 2016 
DistributionChile (Antofagasta, Cachapoal, Talca), Argentina (Chubut, Neuquén, Río Negro)

Type locality: Chile

catenata: Type locality: Coquimbo Chile

chilensis: C Chile (from Talca south to 44°)

coronellina: C Chile (from Copiapo south to Talca)  
TypesSyntypes: MNHN-RA 2475, MNHN-RA 6837, MNHN-RA 6837A, MNHN-RA 6838, MNHN-RA 6838A unlocated (two specimens 388 and 450 mm; Lesson and Garnot; present location unknown fide V. Wallach, pers. comm.)
Holotype: NMW, cat. no. unknown, collected by Dr. L. Plate [coronellina] 
DiagnosisDiagnosis. A Tachymenis which resembles peruviana in general body proportions and consequently in scale counts, but resembles attentwta in penial characters. Its supralabials are normally 7(3-4). This form has been placed into a separate species complex for these reasons as has been pointed out in the introduction. This particular race differs from the other two in the chilensis complex primarily in having a dorsal color pattern that is distinctly lineate,yet the dark dorsal linesarequite narrow (not over 1 scale wide). T. c. chilensis also tends to have more , abdominals, caudals, and total ventrals than either assimilis or melanura (Walker 1945: 29). 

Diet: mostly frogs and lizards (Walker 1945: 48) 
EtymologyNamed after the type locality. 
  • Ávila, Luciano Javier; Morando, Mariana;Belver, Luciana C. 2012. Tachymenis chilensis Schegel, 1837 (Reptilia: Squamata: Dipsadidae). New record and geographic distribution map. Cuadernos de Herpetología 26 (2): 103-104 - get paper here
  • Castro-Pastene, Carlos; Héctor Carrasco & Jaime Troncoso-Palacios. 2015. Lagartijas y serpientes del Parque Nacional Radal Siete Tazas. Boletín Chileno de Herpetología 2: 12-16 - get paper here
  • Contreras, José M.; Felix A. Urra, Nicolás A. Rojas-Porras 2019. First record of Pompilocalus sp. ROIG ALSINA, 1989 (Hymenoptera: Pompilidae) preying on Tachymenis chilensis coronellina (WERNER, 1898)(Serpentes: Dipsadidae) from Central Chile. Herpetology Notes 12: 931-932 - get paper here
  • Demangel, Diego 2016. Reptiles en Chile. Fauna Nativa Ediciones, Santiago, 619 pp - get paper here
  • Demangel, Diego 2016. Guía de Campo - Reptiles del centro sure de Chile. Corporación Chilena de la Madera, Concepción, Chile 187 pp. - get paper here
  • Duméril, A. M. C., Bibron, G. & DUMÉRIL, A. H. A., 1854. Erpétologie générale ou histoire naturelle complète des reptiles. Tome septième. Deuxième partie, comprenant l'histoire des serpents venimeux. Paris, Librairie Encyclopédique de Roret: i-xii + 781-1536 - get paper here
  • Flores, Edgardo 2018. Registros de patrones de coloración de Tachymenis chilensis chilensis (Schlegel 1837) (Squamata, Dipsadidae) en las regiones del Maule, Biobio y Araucanía. Boletín Chileno de Herpetología. 5: 39-40 - get paper here
  • Girard, C. 1855. Abstract of a report to Lieut. James M. Gilliss, U.S.N., upon the reptiles collected during the U.S.N. Astronomical Expedition to Chili. Proc. Acad. Nat. Sci. Philadelphia 7 [1854]: 226-227. - get paper here
  • Minoli I, Morando M, Avila LJ 2015. Reptiles of Chubut province, Argentina: richness, diversity, conservation status and geographic distribution maps. ZooKeys 498: 103-126. doi: 10.3897/zookeys.498.7476 - get paper here
  • O’Shea, M. 2018. The Book of Snakes. Ivy Press / Quarto Publishing, London, - get paper here
  • Ruiz De Gamboa, Margarita 2016. Lista actualizada de los reptiles de Chile. Boletín Chileno de Herpetología. 3: 7-12. PDF - get paper here
  • Schlegel, H. 1837. Essai sur la physionomie des serpens. Partie Descriptive. La Haye (J. Kips, J. HZ. et W. P. van Stockum), 606 S. + xvi - get paper here
  • Scrocchi, Gustavo J.; Cristian S. Abdala,Javier Nori, Hussam Zaher 2010. Reptiles de la provincia de Río Negro, Argentina. Fondo Ed. Rionegrino, 249 pp.
  • Troncoso-Palacios, Jaime 2014. Nueva lista actualizada de los reptiles terrestres de la Región de Atacama, Chile. Boletín Chileno de Herpetología 1: 1-4 - get paper here
  • Urra FA, Zúñiga A, Melero N, Reyes N, Herrera Y, Miranda-Calle AB, Ortiz JC 2021. Leucism and albinism in the rear-fanged snakes Tachymenis chilensis chilensis (Schlegel, 1837) and Tachymenis chilensis coronellina Werner, 1898 (Serpentes, Dipsadidae). Herpetozoa 34: 125-129 - get paper here
  • Valenzuela-Dellarossa, Gustavo; Herman Núñez, Christoph Heibl and Juan Carlos Ortiz 2010. Reptilia, Serpentes, Colubridae, Tachymenis Wiegmann, 1836: Latitudinal and altitudinal distribution extension in Chile. Check List 6 (1): 005-006 - get paper here
  • Walker, W.F. 1945. A Study of the Snake, Tachymenis peruviana Wiegmann AND ITS Allies. Bull. Mus. Comp. Zool. Harvard 96: 1-56 - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
  • Werner, FRANZ 1898. Die Reptilien und Batrachier der Sammlung Plate. Zool. Jahrb. Abt. Syst. Oekol. Geogr. Tiere (suppl. 4): 244-278 - get paper here
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