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Calotes desilvai BAHIR & MADUWAGE, 2005

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Higher TaxaAgamidae (Draconinae), Sauria (lizards) 
Subspecies 
Common Names 
SynonymCalotes desilvai BAHIR & MADUWAGE 2005
Calotes desilvai — SOMAWEERA & SOMAWEERA 2009 
DistributionSri Lanka (lowland rain forest and a few isolated moist forests in the dry zone)

Type locality: Morningside Forest, Eastern Sinharaja, Sri Lanka, 06°24’N, 80°36’E, elevation 1080 m. Map legend:
Type locality - Type locality.
TDWG region - Region according to the TDWG standard, not a precise distribution map.

NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
 
TypesHolotype: WHT 1832 
CommentAmong the Sri Lankan Calotes, the new species seems most closely related to C. liolepis Boulenger.

Rare and critically endangered in Sri Lanka (BAHIR & SURASINGHE 2005).

Calotes desilvai is distinguished from C. liolepis by having the fifth toe 42.6–47.0% of head length in males, 41.9–45.9% in females (vs. 31.0–39.5% and 33.0–40.5% respectively, in C. liolepis); bands on gular area distinct, black (vs. bands on gular area faint, brown); shoulder pit black (vs. shoulder pit cream white to brown); and scales on ventral surface of thigh smooth (vs. scales on the ventral surface of thigh carinate). Males of C. desilvai may also be distinguished from males of C. liolepis by their longer upper arm and femur (49.6–50.0 and 70.3–75.0% of head length, respectively) vs. shorter upper arm and femur (40.3–49.3 and 57.1–69.5%, respectively) and a comparatively short posterior supratympanic spine (1.7–2.7% of head length), longer in C. liolepis (3.1–12.9%).

Reproduction: oviparous 
EtymologyNamed after Anslem de Silva, founder of the Amphibia and Reptile Research Organisation (ARROS) and patron of herpetology in Sri Lanka for more than the past three decades. 
References
  • AMARASINGHE, A. A. THASUN;, D. M. S. SURANJAN KARUNARATHNA, JAKOB HALLERMANN, JUNICHI FUJINUMA, HEIN 2014. A new species of the genus Calotes (Squamata: Agamidae) from high elevations of the Knuckles Massif of Sri Lanka. Zootaxa 3785 (1): 059–078 - get paper here
  • Amarasinghe, A.A. Thasun; D.M.S. Suranjan Karunarathna, and J. Fujinuma 2014. A New Calotes Species from Sri Lanka with a Redescription of Calotes liolepis Boulenger, 1885 Herpetologica 70 (3): 323-338 - get paper here
  • Bahir, M.M. & K. P. Maduwage 2005. Calotes desilvai, a new species of agamid lizard from Morningside Forest, Sri Lanka. Raffles Bull. Zool., Suppl. No. 12: 381-392
  • Bahir, M.M. & T. Surasinghe 2005. A conservation assessment of the Sri Lankan Agamidae (Reptilia: Sauria). Raffles Bull. Zool., Suppl. No. 12: 407-412
  • Manthey U 2008. Agamid lizards of Southern Asia, Draconinae 1. Terralog 7, 160 pp.
  • Somaweera, R. & Somaweera, N. 2009. Lizards of Sri Lanka: a colour guide with field keys. Chimaira, Frankfurt, 304 pp.
 
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