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Trimeresurus | |
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Bamboo pitviper, T. gramineus | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Chordata |
Subphylum: | Vertebrata |
Class: | Reptilia |
Order: | Squamata |
Suborder: | Serpentes |
Family: | Viperidae |
Subfamily: | Crotalinae |
Genus: | Trimeresurus Lacépède, 1804 |
Synonyms | |
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Trimeresurus is a genus of venomous pitvipers found in Asia from the Indian Subcontinent throughout Southeast Asia, China and the Pacific Islands. Currently 35 species are recognized.[2] Common names include Asian pit vipers,[3] Asian lanceheads and Asian lance-headed vipers.[4]
Most are relatively small, primarily arboreal species, with thin bodies and prehensile tails. They are typically green in color, but some species also have yellow, black, orange or red markings. Sometimes gold.
Their diet includes a variety of other animals, including rodents, lizards, amphibians and birds.
Like most viper species, many of the species in the genus Trimeresurus are ovoviviparous, bearing live young. However, some species such as T. flavoviridis, T. gramineus, T. kaulbacki, and T. macrolepis are oviparous, lay eggs. Also, the reproductive biology of some Trimeresurus species is as yet unknown.
Their venom varies in toxicity between species, but all are primarily hemotoxic and considered to be medically significant to humans. One nickname for this snake among locals is "100 pace snake" in reference to the legend that, once bitten, a person can walk 100 more steps before dropping dead.
Southeast Asia from India to southern China and Japan, and the Malay Archipelago to Timor.[1]
Species[2] | Taxon author[2] | Subsp.*[2] | Common name[5] | Geographic range[1] |
---|---|---|---|---|
T. albolabris | Gray, 1842 | 2 | White-lipped pitviper | India (Assam), Nicobar Islands, Myanmar, Thailand, Cambodia, Laos, Vietnam, southern China (Fukien, Hainan, Kwangsi, Kwangtung), Hong Kong, West Malaysia, Indonesia (Sumatra, Borneo, Sulawesi, Java, Madoera, Lombok, Sumbawa, Komodo, Flores, Sumba, Roti, Timor, Kisar, Wetar). |
T. borneensis | (W. Peters, 1872) | 0 | Bornean pitviper | Indonesia: Borneo. |
T. brongersmai | Hoge, 1969 | 0 | Brongersma's pitviper | Indonesia: Simalur Island. |
T. cantori | (Blyth, 1846) | 0 | Cantor's pitviper | India: Nicobar Islands, and possibly the Andaman Islands. |
T. cornutus | M.A. Smith, 1930 | 0 | Fan-Si-Pan horned pitviper | Vietnam: Bach Ma and Tonkin. Occurs in rainforests at low elevations. Also in central Vietnam.[5] |
T. elegans | (Gray, 1849) | 0 | Elegant pitviper | Japan: southern Ryukyu Islands. |
T. erythrurus | (Cantor, 1839) | 0 | Red-tailed bamboo pitviper | India (Assam and Sikkim), Bangladesh and Myanmar. |
T. fasciatus | (Boulenger, 1896) | 0 | Banded pitviper | Indonesia: Djampea Island. |
T. flavomaculatus | (Gray, 1842) | 2 | Philippine pitviper | Philippine Islands: Agutayan, Batan, Camiguin, Catanduanes, Dinagat, Jolo, Leyte, Luzon, Mindanao, Mindoro, Negros and Polillo. |
T. flavoviridis | (Hallowell, 1861) | 0 | Habu | Japan: Ryukyu Islands (Okinawa and Amami Islands). |
T. gracilis | Ōshima, 1920 | 0 | Kikushi habu | Central Taiwan. |
T. gramineusT | (Shaw, 1802) | 0 | Bamboo pitviper | Southern India. |
T. hageni | (Lidth de Jeude, 1886) | 0 | Hagen's pitviper | Peninsular Thailand, West Malaysia, Singapore and Indonesia (Sumatra and the nearby islands of Bangka, Simalur, Nias, Batu and the Mentawai Islands. |
T. insularis | (Giannasi et al., 2001) | 0 | White-lipped Island Pit Viper | Eastern Java, Bali, Lombok, Sumbawa, Sumba, Komodo, Rinco, Flores, Adonara, Lembata, Pantar, Alor, Roti, Semau, Timor, Wetar, Kisar and Romang. |
T. jerdonii | Günther, 1875 | 2 | Jerdon's pitviper | India (Assam) through northern Myanmar to Tibet, China (Hupeh, Szechwan and Yunnan) and Vietnam. |
T. kanburiensis | M.A. Smith, 1943 | 0 | Kanburi pitviper | Thailand. |
T. karanshahi | Orlov & Helfenberger, 1997 | 0 | Central Nepal in the Himalayas. | |
T. kaulbacki | M.A. Smith, 1940 | 0 | Kaulback's lance-headed pitviper | Myanmar. |
T. labialis | Steindachner, 1867 | 0 | Nicobar bamboo pitviper | India: Nicobar Islands. |
T. macrolepis | Beddome, 1862 | 0 | Large-scaled pitviper | The mountains of southern India. |
T. macrops | Kramer, 1977 | 0 | Large-eyed pitviper | Thailand, Cambodia and southern Vietnam. |
T. malabaricus | (Jerdon, 1854) | 0 | Malabar rock pitviper | Southern and western India at 600-2,000 m elevation. |
T. mangshanensis | Zhao, 1990 | 0 | Mangshan pitviper | China: Hunan Province. |
T. maolanensis | Yang, Orlov & Wang, 2011[6] | 0 | China: Guizhou | |
T. medoensis | Zhao, 1977 | 0 | Motuo bamboo pitviper | Northern India, northern Myanmar and China (southeastern Xizang). |
T. mucrosquamatus | (Cantor, 1839) | 0 | Brown spotted pitviper | India (Assam) and Bangladesh to Myanmar, China (Fukien, Kwangshi, Kwantung and Szechwan) and Taiwan. |
T. phuketensis | Sumontha, Kunya, S.G. Pauwels, Nitikul & Punnadee, 2011 [7] | 0 | Phuket pitviper | Thailand: Phuket Island. |
T. popeorum | M.A. Smith, 1937 | 2 | Pope's bamboo pitviper | Northern India, Myanmar, Thailand, West Malaysia, Vietnam and Indonesia (Sumatra, the Mentawai Islands of Siberut, Sipora and North Pagai, and on the island of Borneo). |
T. puniceus | (Kuhl, 1824) | 0 | Flat-nosed pitviper | Southern Thailand, West and East Malaysia (Sabah and Sarawak) and Indonesia (Borneo, Sumatra, the Mentawai Islands of Siberut and North Pagai, Simalur and Java. |
T. purpureomaculatus | (Gray, 1832) | 1 | Mangrove pit viper | India (Assam and the Andaman Islands), Bangladesh, Myanmar, Thailand, West Malaysia, Singapore and Indonesia (Sumatra). |
T. schultzei | Griffin, 1909 | 0 | Schultze's pitviper | Philippines: Palawan and Balabac. |
T. stejnegeri | Schmidt, 1925 | 2 | Stejneger's bamboo pitviper | India (Assam), and Nepal through Myanmar and Thailand to China (Kwangsi, Kwangtung, Hainan, Fukien, Chekiang, Yunnan) and Taiwan. |
T. strigatus | Gray, 1842 | 0 | Horseshoe pitviper | The hills of southern India. |
T. sumatranus | (Raffles, 1822) | 1 | Sumatran pitviper | Southern Thailand, West and East Malaysia (Sabah and Sarawak on Borneo) and Indonesia (Bangka, Billiton, Borneo, Sumatra and the nearby islands of Simalur, Nias, and possibly the Mentawai Islands [Sipora]). |
T. tibetanus | Huang, 1982 | 0 | Tibetan bamboo pitviper | China: Xiang (Tibet) Autonomous Region. |
T. tokarensis | Nagai, 1928 | 0 | Tokara habu | Japan: Takarajima and Kotakarajima. |
T. trigonocephalus | (Donndorff, 1798) | 0 | Sri Lankan green pitviper | Throughout Sri Lanka from low elevations to about 1,800 m. |
T. xiangchengensis | Zhao, Jiang & Huang, 1979 | 0 | Kham Plateau pitviper | China: Yunnan and western Sichuan. |
*) Not including the nominate subspecies.
T) Type species.[1]
Species that may be recognized by other sources include:
The genus Trimeresurus (sensu lato) has been the subject of considerable taxonomic work since 2000, resulting in the recognition of additional genera within this complex. Most authors now recognise the genus Protobothrops for the species cornutus, flavoviridis, jerdonii, kaulbacki, mucrosquamatus, tokarensis, xiangchengensis,[8][9][10] since these have been shown not to be closely related to other Trimeresurus in recent phylogenetic analyses.
In addition, Malhotra and Thorpe (2004)[9] proposed a radical shake up of the entire genus, splitting Trimeresurus into seven genera. Their proposed arrangement (including species described since 2004) is shown in the table below:
Genus | Species included |
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Trimeresurus | andalasensis, borneensis, brongersmai, gramineus, malabaricus, puniceus, strigatus, trigonocephalus, wiroti |
Cryptelytrops | albolabris, andersonii, cantori, erythrurus, fasciatus, honsonensis (Hon Son Pit Viper), insularis, kanburiensis, labialis, macrops, purpureomaculatus, septentrionalis, venustus |
Himalayophis | tibetanus |
Parias | flavomaculatus, hageni, malcolmi, mcgregori, schultzei, sumatranus |
Peltopelor | macrolepis |
Popeia | barati, buniana, fucata, nebularis, popeiorum, sabahi |
Viridovipera | gumprechti, medoensis, stejnegeri, truongsonensis, vogeli, yunnanensis |
This new arrangement has been followed by many,[10][11] but not all[12] subsequent authors.
David et al. (2011) considered some of the genera of Malhotra & Thorpe to be subgenera of the genus Trimeresurus, creating new combinations such as "Trimeresurus (Parias) flavomaculatus", "Trimeresurus (Popeia) popeiorum", "Trimeresurus (Viridovipera) stejnegeri", etc.[13]
Wikispecies has information related to: Trimeresurus |
Wikimedia Commons has media related to Trimeresurus. |
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