Hebius parallelum (Boulenger 1890)

The Yunnan keelback (Hebius parallelus) is a species of natricine snake which is endemic to Asia.

Geographic range

It is found in Bhutan, China (Tibet and Yunnan), Northeast India (Arunachal Pradesh, Assam, Sikkim, Nagaland) and Myanmar.^[1]

Description

Dorsally, it is brown with two parallel yellowish, black-edged stripes on the body and tail. The ventrals and subcaudals are uniform yellow, or with a black dot on each side. There is a black streak from the eye to the corner of the mouth, and the labials are yellow.

It may have one, two, or three preocular scales, and has three postoculars. There are seven or eight upper labials (usually eight), with the third, fourth, and fifth entering the eye. The temporals may be 1 + 1, 1 + 2, or 2 + 2.

Strongly keeled dorsal scales arranged in 19 rows at midbody. Ventrals 163–175; anal plate divided; subcaudals 73–95, also divided.

Adults may attain 56 cm (22 inches) in total length with a tail of 14 cm (5½ inches).^[3]

References

Amphiesma parallelum Amphiesma generoko animalia da. Narrastien barruko Natricidae familian sailkatuta dago.

Erreferentziak

Kanpo estekak

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

Ikus, gainera

• Amphiesma
• Natricidae

Hebius parallelum est une espèce de serpents de la famille des Natricidae^[1].

Répartition

Cette espèce est endémique d'Inde^[1]. Elle se rencontre au Sikkim et au Nagaland.

Sa présence est incertaine au Népal et au Bhoutan.

Description

L'holotype de Amphiesma parallelum^[2] mesure 560 mm dont 140 mm pour la queue. Cette espèce a la face dorsale brun olivâtre, les écailles étant bordées de noir. Deux bandes jaunâtres bordées de noir courent le long du dos et de la queue. Sa face ventrale est jaune uniforme.

Publication originale

• Boulenger, 1890 : The Fauna of British India, Including Ceylon and Burma. Reptilia and Batrachia, p. 1-541 (texte intégral).

Notes et références