Boiga dightoni (BOULENGER, 1894)
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Higher Taxa | Colubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
Subspecies | |
Common Names | E: Pirmad Cat Snake E: Whitaker's cat snake [ |
Synonym | Dipsas dightoni BOULENGER 1894 Dipsadomorphus dightoni — BOULENGER 1896 Boiga dightoni — SMITH 1943: 359 Boiga dightoni — INGER et al. 1984: 567 Boiga dightoni — DAS 1996: 54 Boiga dightoni — GROEN 2008 Boiga dightoni — WALLACH et al. 2014: 103 Boiga dightoni — GANESH et al. 2020 Boiga whitakeri GANESH, MALLIK, ACHYUTHAN, SHANKER & VOGEL 2021 Boiga dightoni — NARAYANAN et al. 2023 |
Distribution | India (Kerala) Type locality: "Pirmaad, at an altitude of 3,300 feet." whitakeri: India (Southern Western Ghats: Tamil Nadu, Kerala: Devarmalai and Agasthyamalai hills); Type locality: Devar Malai (9.173N, 77.261E; 1020 m asl), Tirunelveli dt., Tamil Nadu. |
Reproduction | oviparous |
Types | Holotype: BMNH 1946.1.1.32, an 1100 mm female (S. Dighton, Jan. 1893). Holotype: BNHS 3597 (ex. CESS 255) an adult male collected in 2011; Paratype: BNHS 1863 coll. K.G. Adiyodi, from Pullompara, Ernakulam dt., Kerala, in June 1961 [whitakeri] |
Diagnosis | Diagnosis: A species of Boiga endemic to the Southern Western Ghats of India, characterised by the following combination of characters: 21–23 midbody scale rows (vs. 19 in B. ceylonensis, B. thackerayi, B. beddomei, B. flaviviridis); vertebral scales strongly enlarged (vs. mildly enlarged in B. barnesii); venter with salmon pink spots in life (vs. yellowish in B. thackerayi, B. flaviviridis; variable in B. andamanensis; dorsum predominantly uniform brown (vs. green in B. flaviviridis; variable in B. andamanensis); ventrolateral pattern with salmon pinkish markings (vs. with alternate white and black blotches in B. barnesii, B. thackerayi; without any pattern in B. andamanensis, B. flaviviridis); temporal subequal to coastal body scale (vs. larger than coastal body scale in B. nuchalis) (from Ganesh et al. 2020). Additional details (4705 characters) are available for collaborators and contributors. Please contact us for details. |
Comment | Habitat: fully arboreal (Harrington et al. 2018). Synonymy: Narayanan et al. 2023 synonymized B. whitakeri with B. dightoni. |
Etymology | Named after the collector of the holotype, “Mr. S. Dighton at Pirmaad”, most likely identical with S. M. Dighton, a tea planter at Travancore, Kerala (1888). B. whitakeri was named after the eminent Indian herpetologist Romulus Earl Whitaker (b. 1943-). |
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