Lycodon jara (Shaw 1802)

Lycodon jara, commonly known as the twin-spotted wolf snake, is a species of colubrid snake. It is endemic to Asia.

Distribution

Dorsal scales of Lycodon jara showing the yellow "twin spots" to which the common name refers

Found in Bangladesh, India (Assam, Odisha, Arunachal Pradesh, Manipur, West Bengal and parts of Uttar Pradesh) and Nepal.

Description

Snout much depressed; eye rather small. Rostral much broader than long, just visible from above; internasals much shorter than the prefrontals; frontal as long as or a little shorter than its distance from the end of the snout, a little shorter than the parietals; loreal elongate, not entering the eye; one pre-ocular; two post-oculars; temporals small, 1 + 2; 9 or 10 upper labials, third, fourth, and fifth entering the eye; 4 or 5 lower labials in contact with the anterior chin-shields, which are longer than the posterior.

Dorsal scales smooth, in 17 rows. Ventrals 167–175, not angulate laterally; anal divided; subcaudals 56–63, in two rows.

Coloration in alcohol (for preserved specimens): brown above, each scale with two white dots or short longitudinal lines; labials white; usually a white collar; lower surface uniform white.^[4]

Total length 35 cm (133⁄4 inches); tail 6 cm (23⁄8 inches).^[5]

Gallery

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  Rescued individual from Jalpaiguri, West Bengal

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References

Lycodon jara, también conocida como serpiente lobo de manchas gemelas, es una especie de serpiente del género Lycodon, de la familia de los colúbridos.

Hallazgo y distribución

La serpiente fue descrita por primera vez por el zoólogo británico, George Shaw en el año 1802, y habita en la India: (Assam, Ganjam, Arunachal Pradesh (Chessa, Itanagar – Papum Pare distrito), Uttar Pradesh (Dehradun – Mukherjee), y también ha sido hallada en Nepal, Java y Bangladés.

Descripción

• Longitud: 40 centímetros.
• Color: Blanco, amarillo y marrón.
• Posee un hocico muy deprimido y ojos bastante pequeños. Su rostral es mucho más amplio que largo, y solo visible desde arriba.
• Las escamas dorsales son lisas y se distribuyen en 17 filas.

Referencias

• Shaw, G. 1802 General Zoology, or Systematic Natural History. Vol.3, part 1 + 2. G. Kearsley, Thomas Davison, London: 313-615]).
• Boulenger, G. A. The Fauna of British India, Including Ceylon and Burma. Reptilia and Batrachia. Taylor & Francis, London, xviii, 541 pp.

Lycodon jara Lycodon generoko animalia da. Narrastien barruko Colubridae familian sailkatuta dago.

Erreferentziak

• TIGR Reptile Database in Species 2000 and ITIS Catalogue of Life: 2011 Annual Checklist

Ikus, gainera

• Lycodon
• Colubridae

Lycodon jara est une espèce de serpent de la famille des Colubridae^[1].

Répartition

Cette espèce se rencontre en Inde en Uttarakhand, en Uttar Pradesh, en Assam, au Meghalaya, au Manipur, en Mizoram, au Bengale-Occidental et en Odisha, au Népal, au Bhoutan, au Bangladesh et en Birmanie au Kachin^[2].

Description

Lycodon jara mesure jusqu'à 40 cm. Son dos est brun marqué de points sombres. Sa face ventrale est blanc-beige.

Taxinomie

L'espèce Lycophidion bipunctatum^[3] a été placée en synonymie avec Lycodon jara et Lycodon odishii^[4] a été placée en synonymie avec Lycodon jara par Chaudhuri, Sharma et Purkayastha en 2015^[2].

Publication originale

• Shaw, 1802 : General Zoology, or Systematic Natural History, vol. 3, n^o 2, p. 313-615 (texte intégral).

Notes et références

Lycodon jara là một loài rắn trong họ Rắn nước. Loài này được Shaw mô tả khoa học đầu tiên năm 1802.^[3]

Hình ảnh

Chú thích

Tham khảo

• Phương tiện liên quan tới Lycodon jara tại Wikimedia Commons

Bài viết liên quan phân họ rắn Colubrinae này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn.

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