''Trimeresurus erythrurus'',
commonly known as the red-tailed bamboo pitviper,
[Gumprecht A, Tillack F, Orlov NL, Captain A, Ryabov S. 2004. ''Asian Pitvipers''. GeitjeBooks. Berlin. 1st Edition. 368 pp. .] redtail bamboo pit viper, and redtail pit viper is a
venomous
Venom or zootoxin is a type of toxin produced by an animal that is actively delivered through a wound by means of a bite, sting, or similar action. The toxin is delivered through a specially evolved ''venom apparatus'', such as fangs or a ...
pit viper species
In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...
found in
South Asia
South Asia is the southern subregion of Asia, which is defined in both geographical and ethno-cultural terms. The region consists of the countries of Afghanistan, Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, and Sri Lanka.;;;;; ...
and
Myanmar
Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John Wells explai ...
. No
subspecies are currently recognized.
[
]
Description
Males grow to a maximum total length , of which the tail is in length. Females reach a maximum total length of , with a tail length of .dorsal scales
In snakes, the dorsal scales are the longitudinal series of plates that encircle the body, but do not include the ventral scales. Campbell JA, Lamar WW (2004). ''The Venomous Reptiles of the Western Hemisphere''. Ithaca and London: Comstock Publis ...
in 23–25 longitudinal rows at midbody; first upper labial
In reptiles, the supralabial scales, also called upper-labials, are those scales that border the mouth opening along the upper jaw. They do not include the median scaleWright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates ( ...
partially or completely fused to nasal; 9–13 upper labials
In reptiles, the supralabial scales, also called upper-labials, are those scales that border the mouth opening along the upper jaw. They do not include the median scaleWright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates ...
, 1–2 rows of scales separate upper labials from the suboculars
In scaled reptiles, the ocular scales are those forming the margin of the eye.Wright AH, Wright AA. 1957. ''Handbook of Snakes''. Comstock Publishing Associates (7th printing, 1985). 1105 pp. . The name originates from the term ''oculus'' which ...
; 11–14 scales in a line between supraoculars; supraoculars rarely divided; temporal scales
Temporal may refer to:
Entertainment
* Temporal (band), an Australian metal band
* ''Temporal'' (Radio Tarifa album), 1997
* ''Temporal'' (Love Spirals Downwards album), 2000
* ''Temporal'' (Isis album), 2012
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small, strongly keeled; ventral scales
In snakes, the ventral scales or gastrosteges are the enlarged and transversely elongated scales that extend down the underside of the body from the neck to the anal scale. When counting them, the first is the anteriormost ventral scale that conta ...
: males 153–174, females: 151–180; subcaudals
In snakes, the subcaudal scales are the enlarged plates on the underside of the tail.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates (7th printing, 1985). 1105 pp. . These scales may be either single or divided (pair ...
: males 62–79, females 49–61, usually paired, occasionally unpaired shields present among paired series.[
Color pattern: head uniform green, dorsum bright green, light ventrolateral stripe present in males, present or absent in females (Maslin 942:23says that the ventrolateral stripe is absent, but M.A. Smith 943:523states that it is present in males and variable in females), tail spotted with brown; hemipenes without spines.][
]
Geographic range
Found in eastern India
India, officially the Republic of India ( Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the ...
(Assam
Assam (; ) is a state in northeastern India, south of the eastern Himalayas along the Brahmaputra and Barak River valleys. Assam covers an area of . The state is bordered by Bhutan and Arunachal Pradesh to the north; Nagaland and Manipur ...
, Sikkim
Sikkim (; ) is a state in Northeastern India. It borders the Tibet Autonomous Region of China in the north and northeast, Bhutan in the east, Province No. 1 of Nepal in the west and West Bengal in the south. Sikkim is also close to the Siligu ...
), Bangladesh
Bangladesh (}, ), officially the People's Republic of Bangladesh, is a country in South Asia. It is the List of countries and dependencies by population, eighth-most populous country in the world, with a population exceeding 165 million pe ...
, Myanmar
Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John Wells explai ...
, Bhutan
Bhutan (; dz, འབྲུག་ཡུལ་, Druk Yul ), officially the Kingdom of Bhutan,), is a landlocked country in South Asia. It is situated in the Eastern Himalayas, between China in the north and India in the south. A mountai ...
, and Nepal
Nepal (; ne, नेपाल ), formerly the Federal Democratic Republic of Nepal ( ne,
सङ्घीय लोकतान्त्रिक गणतन्त्र नेपाल ), is a landlocked country in South Asia. It is ma ...
.[ The original ]type locality
Type locality may refer to:
* Type locality (biology)
* Type locality (geology)
See also
* Local (disambiguation)
* Locality (disambiguation)
{{disambiguation ...
given was as "Delta Gangeticum" ( Ganges Delta, West Bengal
West Bengal (, Bengali: ''Poshchim Bongo'', , abbr. WB) is a state in the eastern portion of India. It is situated along the Bay of Bengal, along with a population of over 91 million inhabitants within an area of . West Bengal is the four ...
State, eastern India). The type locality given by Boulenger (1896) is "Ganges Delta."[
]
References
Further reading
* Cantor, T.E. 1839. ''Spicilegium serpentium indicorum'' arts 1 and 2 Proc. Zool. Soc. London, 7: 31–34, 49–55.
*Cantor, T.E. 1840. ''Spicilegium Serpentium Indicorum''. Ann. Mag. Nat. Hist. (1) 4: 271–279.
*Gumprecht, A. 2001. ''Die Bambusottern der Gattung Trimeresurus Lacépède Teil IV: Checkliste der Trimeresurus-Arten Thailands''. Sauria 23 (2): 25–32.
*Maslin, T. Paul. 1942. Evidence for the Separation of the Crotalid Genera ''Trimeresurus'' and ''Bothrops'', with a Key to the Genus ''Trimeresurus''. Copeia 1942 (1): 18–24.
* Smith, M.A. 1943. ''The Fauna of British India, Ceylon and Burma, Including the Whole of the Indo-Chinese Sub-region. Reptilia and Amphibia. Vol. III.—Serpentes''. Secretary of State for India. (Taylor and Francis, Printers). London. xii + 583 pp. (''Trimeresurus erythrurus'', pp. 522–523.)
*Toriba, Michihisa. 1994. Karyotype of Trimeresurus erythrurus. Snake 26 (2): 141–143.
{{Taxonbar, from=Q3010245
erythrurus
Snakes of Asia
Reptiles described in 1839
Reptiles of Bangladesh
Reptiles of Bhutan
Reptiles of India
Reptiles of Myanmar
Reptiles of Nepal
Taxa named by Theodore Edward Cantor