Thai National Parks

Species of Thailand

Laotian wolf snake

Lycodon laoensis

Albert Charles Lewis Günther, 1864

In Thai: งูปล้องฉนวนลาว, ngu plong cha nuan lao

Lycodon laoensis, commonly known as the Laotian wolf snake, is a species of non-venomous colubrid snake endemic to Asia.

Geographic range

It is found in India, Thailand, Laos, Vietnam, Cambodia, China (Yunnan), and West Malaysia. It also has been reported in, Northern Pakistan, areas specially in Haripur District


Dorsally it is dark brown, with a whitish or yellowish crossband on the occiput, and similar body crossbands which bifurcate on the sides. Ventrally it is whitish. Adults are about .5 m (20 inches) in total length, which includes the tail of about 10 cm (4 inches).

They are nocturnal , and generally ground dwelling. They are not very aggressive and generally reluctant to bite.

Like other Wolf Snakes, they can be mistaken for the venomous Banded Kraits.

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Scientific classification

Lycodon laoensis

Common names

  • German: Laotische Wolfszahnnatter
  • English:
    • Laotian wolf snake
    • Indochinese wolf snake
    • Yellow-barred wolf snake
    • Laos wolf snake
  • Thai:
    • งูปล้องฉนวนลาว, ngu plong cha nuan lao
    • งูปล้องฉนวนลายเหลือง, ngu plong cha nuan lai leuang


  • Lycodon laoensis, Van Stanley Bartholomew Wallach et al. (2014)
  • Lycodon laoensis, Nguyen Van Sang et al. (2009)
  • Lycodon laoensis, Benedetto Lanza (1999)
  • Lycodon laoensis, Merel J. Cox et al. (1998)
  • Lycodon laoensis, Ulrich Manthey & Wolfgang Grossmann (1997)
  • Ophites laoensis, Ermi Zhao & Kraig Adler (1993)
  • Lycodon laoensis, Malcolm Arthur Smith (1943)
  • Lycodon laoensis, George Albert Boulenger (1893)
  • Lycodon laoensis, Albert Charles Lewis Günther (1864)

Conservation status

Least Concern (IUCN3.1)

Least Concern (IUCN3.1)


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Lycodon laoensis
Lycodon laoensis
Lycodon laoensis
Lycodon laoensis

Range Map

Distribution map of Laotian wolf snake, Lycodon laoensis in Thailand
  • Ban Bueng District, Chonburi
  • Ban Khai District, Rayong
  • Ban Muang District, Sakon Nakhon
  • Ban Na San District, Surat Thani
  • Ban Phue District, Udon Thani
  • Ban Ta Khun District, Surat Thani
  • Ban Thi District, Lamphun
  • Buachet District, Surin
  • Bueng Khong Long District, Bueng Kan
  • Buntharik District, Ubon Ratchathani
  • Chaiya District, Surat Thani
  • Chanae District, Narathiwat
  • Chiang Dao District, Chiang Mai
  • Chiang Saen District, Chiang Rai
  • Chun District, Phayao
  • Doi Inthanon National Park
  • Doi Saket District, Chiang Mai
  • Dok Khamtai District, Phayao
  • Erawan District, Loei
  • Erawan National Park
  • Fang District, Chiang Mai
  • Hang Dong District, Chiang Mai
  • Hat Yai District, Songkhla
  • Hua Hin District, Prachuap Khiri Khan
  • Huai Kha Khaeng Wildlife Sanctuary
  • Huai Yot District, Trang
  • Kabang District, Yala
  • Kaeng Hang Maeo District, Chanthaburi
  • Kaeng Krachan District, Phetchaburi
  • Kaeng Krachan National Park
  • Kanchanadit District, Surat Thani
  • Kapo Waterfall Forest Park
  • Khanom District, Nakhon Si Thammarat
  • Khao Chamao - Khao Wong National Park
  • Khao Khitchakut District, Chanthaburi
  • Khao Saming District, Trat
  • Khao Yai Da
  • Khao Yai National Park
  • Khlong Lan National Park
  • Khlung District, Chanthaburi
  • Khun Sathan National Park
  • Klaeng District, Rayong
  • Ko Chang District, Trat
  • Ko Chang National Park
  • Ko Kha District, Lampang
  • Ko Samui District, Surat Thani
  • Kra Buri District, Ranong
  • Kuchinarai District, Kalasin
  • Li District, Lamphun
  • Lom Kao District, Phetchabun
  • Mae Ai District, Chiang Mai
  • Mae Fa Luang District, Chiang Rai
  • Mae On District, Chiang Mai
  • Mae Rim District, Chiang Mai
  • Mae Taeng District, Chiang Mai
  • Mae Tha, Lamphun District, Lamphun
  • Makham District, Chanthaburi
  • Mueang Amnat Charoen District, Amnat Charoen
  • Mueang Chanthaburi District, Chanthaburi
  • Mueang Chiang Mai District, Chiang Mai
  • Mueang Chiang Rai District, Chiang Rai
  • Mueang Chonburi District, Chonburi
  • Mueang Krabi District, Krabi
  • Mueang Nakhon Ratchasima District, Nakhon Ratchasima
  • Mueang Nan District, Nan
  • Mueang Phrae District, Phrae
  • Mueang Phuket District, Phuket
  • Mueang Rayong District, Rayong
  • Mueang Satun District, Satun
  • Mueang Trang District, Trang
  • Mueang Trat District, Trat
  • Mueang Ubon Ratchathani District, Ubon Ratchathani
  • Mueang Udon Thani District, Udon Thani
  • Na Mom District, Songkhla
  • Na Mon District, Kalasin
  • Na Thawi District, Songkhla
  • Na Thom District, Nakhon Phanom
  • Na Yong District, Trang
  • Nam Nao District, Phetchabun
  • Nam Pat District, Uttaradit
  • Nam Yuen District, Ubon Ratchathani
  • Ngao District, Lampang
  • Nong Na Kham District, Khon Kaen
  • Nong Yai District, Chonburi
  • Pa Sang District, Lamphun
  • Pak Chong District, Nakhon Ratchasima
  • Palian District, Trang
  • Phan District, Chiang Rai
  • Phen District, Udon Thani
  • Phibun Mangsahan District, Ubon Ratchathani
  • Phon Charoen District, Bueng Kan
  • Phon Thong District, Roi Et
  • Phrasaeng District, Surat Thani
  • Phrom Khiri District, Nakhon Si Thammarat
  • Phu Sing District, Sisaket
  • Phu Wua Wildlife Sanctuary
  • Pong District, Phayao
  • Ron Phibun District, Nakhon Si Thammarat
  • Sadao District, Songkhla
  • Sai Yok National Park
  • Sakaerat Environmental Research Station
  • San Kamphaeng District, Chiang Mai
  • San Sai District, Chiang Mai
  • Saraphi District, Chiang Mai
  • Sattahip District, Chonburi
  • Sawi District, Chumphon
  • Si Banphot District, Phatthalung
  • Sikao District, Trang
  • Srinagarindra District, Phatthalung
  • Suan Phueng District, Ratchaburi
  • Takua Pa District, Phang Nga
  • Takua Thung District, Phang Nga
  • Tha Mai District, Chanthaburi
  • Tha Sae District, Chumphon
  • Tha Sala District, Nakhon Si Thammarat
  • Tha Takiap District, Chachoengsao
  • Tha Wang Pha District, Nan
  • Thai Mueang District, Phang Nga
  • Thale Ban National Park
  • Thap Lan National Park
  • Thong Pha Phum District, Kanchanaburi
  • Thung Fon District, Udon Thani
  • Thung Salaeng Luang National Park
  • Thung Song District, Nakhon Si Thammarat
  • Thung Yai District, Nakhon Si Thammarat
  • Thung Yai Naresuan Wildlife Sanctuary
  • Wang Nam Khiao District, Nakhon Ratchasima
  • Wapi Pathum District, Maha Sarakham
  • Warin Chamrap District, Ubon Ratchathani
  • Waritchaphum District, Sakon Nakhon
  • Wiang Pa Pao District, Chiang Rai
  • Wiang Sa District, Nan
  • Yan Ta Khao District, Trang
  • Yang Talat District, Kalasin
Range map of Lycodon laoensis in Thailand