IAS Gyan

Daily News Analysis


23rd May, 2022 Environment

Disclaimer: Copyright infringement not intended.


  • Trimeresurus Mayaae, a new species of snake has been discovered at Umroi Military Station in the Ri-Bhoi district of Meghalaya.
  • Locally it is known as U Thlen, it is believed to be a malevolent and evil spirit that takes the form of a huge, man-eating snake.


About Trimeresurus Mayaae

  • In Mizoram the snake is named Maya’s pit viper in honour of the late mother of Col Yashpal Singh Rathee, Maya.
  • A new cryptic species of a green pit viper is described from northeast India, based on specimens collected from the state of Mizoram and Meghalaya.
  • The new species is a member of the subgenus Viridovipera and is sister to Trimeresurus medoensis based on molecular data for mitochondrial cytochrome b gene, whereas resembles Trimeresurus Gumprecht
  • A species of the genus Trimeresurus, characterized by
    • hemipenes are short and strongly spinose
    • body green in both males and females
    • interstitial skin black
    • moderate size, with a maximum total length of 750mm
    • conspicuous bicoloured postocular stripe in males, thin and white below, wide and bright red above, faint white or no postocular stripe present in female
    • vivid, wide bicoloured ventrolateral stripe, deep red below/white above in males, extending along the lower half of the tail, white in females
    • eyes rust coloured in males, green in females
    • tail mostly rusty or reddish-brown
    • first supralabial distinct from nasal
    • 19 or 21 dorsal scale rows at midbody, moderately keeled
    • snout covered with rather enlarged juxtaposed scales
    • internasals never in contact, separated by 1–2 scale
    • supraoculars narrower than internasals, separated by 9–10 smooth cephalic scales.



Telegram channel link  - https://t.me/+hJqMV1O0se03Njk9