Trimeresurus popeiorum

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Trimeresurus popeiorum

Least Concern  (IUCN 3.1)[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Trimeresurus
Species:
T. popeiorum
Binomial name
Trimeresurus popeiorum
Synonyms
  • Trimesurus elegans (part)
    Gray, 1853
  • Trimeresurus gramineus (part)
    C. Pope & S. Pope, 1933
  • Trimeresurus popeiorum [sic]
    M.A. Smith, 1937
  • Trimeresurus popeorum [sic]
    M.A. Smith, 1943
  • Trimeresurus popeorum
    Taylor & Elbel, 1958
  • Trimeresurus popeorum popeorum
    Regenass & Kramer, 1981
  • Trimeresurus popeorum popeorum
    Golay et al., 1993[2]
  • Popeia popeiorum
    Malhotra & Thorpe, 2004
  • Trimeresurus popeiorum
    David et al., 2009
  • Trimeresurus (Popeia) popeiorum
    — David et al., 2011

Trimeresurus popeiorum is a

pit viper in the family Viperidae. The species is native to northern and northeastern parts of India and Southeast Asia.[1][3] Common names include: Pope's pit viper, Pope's green pit viper, Pope's tree viper and Pope's bamboo pitviper.[1][3][4]

Female
Juvenile male

Description

Trimeresurus popeiorum may grow to a total length of 770 mm (30 in), which includes a tail length 170 mm (6.7 in).[5]

Above green, below pale green to whitish, the two separated by a bright bicolored orange or brown (below) and white (above) (males) or white (females) ventrolateral stripe, which occupies the whole of the outermost scale row and a portion of the second row.[5]

subcaudals 52–76, in males the base of the tail enlarged to the level of subcaudals 20–25; hemipenes long and slender, smooth, without spines.[5]

This species is most often confused with

dorsal scale rows, 21 in T. popeiorum, 19 in T. yunnanensis.[5]

Trimeresurus popeorum
Adult male Pope's pit viper, Trimeresurus popeiorum
  • Adult male Trimeresurus popeiorum
    Adult male Trimeresurus popeiorum

Geographic range

Trimeresurus popeiorum is found in

Northeastern India (Meghalaya, Arunachal Pradesh, Darjiling), northern Myanmar, Thailand, and Laos. It probably also occurs in Nepal and Yunnan (China), but there are no reliable records from those areas.[1]

The

lectotype, is listed as "Khasi Hills, Assam" (India).[2]

Taxonomy and etymology

The specific name, popeiorum (Latin, genitive, plural), is in honor of two American herpetologists, Clifford H. Pope and Sarah H. Pope, his wife.[6]

There are differences in opinion as to the correct spelling of the specific epithet. The following is from David and Vogel (1996):[3][7]

This species was named in honour to Clifford H. Pope and Sarah H. Pope. The original spelling of the specific epithet, popeiorum, was corrected into popeorum by Smith (1943:518) on the basis that it was indeed a clerical error. Unfortunately, according to the Art. 32 (c, ii) of the Code (ICZN, 1985), such a change does not fall into the category of a “correction of an incorrect original spelling." According to the Art. 33 (d), the use of a termination -orum in a subsequent spelling of a species-group name that is a genitive based upon a personal name in which the correct original spelling terminates with -iorum, is an incorrect subsequent spelling, even if the change is deliberate. The original spelling, popeiorum, must therefore be conserved.

Habitat

Trimeresurus popeiorum is found in forests of mountainous regions.[8]

Behavior

Trimeresurus popeiorum is

arboreal. If threatened, it will vibrate its tail.[8]

Diet

Trimeresurus popeiorum preys upon frogs, lizards, birds, and rodents (especially rats and squirrels).[8]

Reproduction

This species, T. popeiorum, is

viviparous. In India, sexually mature females give birth in April and May, and the average clutch size is 10. The hatchlings are about 180 mm (7.1 in) long.[8]

Venom

Trimeresurus popeiorum possesses a potent hemotoxic venom which is dangerous to humans.[8]

References

Further reading