| 词条 | Bothrops pictus |
| 释义 |
| image = Bothrops pictus.JPG | genus = Bothrops | species = pictus | authority = (Tschudi, 1845) | synonyms =
}}Bothrops pictus, commonly known in English as the desert lancehead, is a species of venomous snake in the family Viperidae.[3] The species is endemic to South America.[4] Geographic rangeB. pictus is found along the coast of Peru, at altitudes from sea level to {{convert|1,800|m|ft|abbr=on}}.[2]DescriptionAdults of B. pictus may attain a total length of {{convert|31|cm|in|abbr=on}}, which includes a tail {{convert|4.3|cm|in|abbr=on}} long. Dorsally, B. pictus has a pale brown ground color, overlaid with a series of large brown black-edged squarish blotches, which may merge to form a thick wavy or zig zag stripe. On each flank is a series of smaller roundish blotches of the same color as the dorsal blotches. There is a dark streak from behind the eye to the corner of the mouth. Ventrally, it is yellowish with brown dots or spots. The strongly keeled dorsal scales are arranged in 21 to 23 rows at midbody. Ventrals 157-172; anal plate undivided; subcaudals divided, 40-74 pairs.[1] References1. ^1 Boulenger GA (1896). Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the ... Viperidæ. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I-XXV. (Lachesis pictus, pp. 540-541). 2. ^1 "Bothrops pictus ". The Reptile Database. www.reptile-database.org. 3. ^McDiarmid RW, Campbell JA, Touré TA (1999). Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Washington, District of Columbia: Herpetologists' League. 511 pp. {{ISBN|1-893777-00-6}} (series). {{ISBN|1-893777-01-4}} (volume). 4. ^{{ITIS |id=209554 |taxon=Bothrops |accessdate=3 November 2006}} Further reading
2 : Bothrops|Reptiles described in 1845 |
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