The red-bellied form of Calliophis intestinalis (Laurenti, 1768) sensu lato was originally reported from Pahang, west Malaysia. To determine the taxonomic status of this form, we examined the type specimens of Elaps sumatranusLidth De Jeude, 1890, Calliophis intestinalis everetti (Boulenger, 1896), and Callophis furcatus var. nigrotaeniatusPeters, 1863. The results indicated that the red-bellied form of C. intestinalis should be named as Calliophis nigrotaeniatus comb. nov., whose valid species status was based on morphological and molecular analyses. We designate a lectotype and redescribe the species, which is genetically close to Calliophis bilineatus (Peters, 1881) from the Philippines, and is clearly distinguishable from other congeners by possessing a pair of gray or dark blue lateral stripes and by being bright red on the ventrum. Elaps sumatranus and C. i. everetti are relegated to subjective junior synonyms of C. nigrotaeniatus.
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29 October 2020
Systematics of Calliophis intestinalis with the Resurrection of Calliophis nigrotaeniatus (Elapidae, Serpentes)
Ibuki Fukuyama,
Gernot Vogel,
Masafumi Matsui,
Koshiro Eto,
Misbahul Munir,
Mohamad Yazid Hossman,
Amir Hamidy,
Kanto Nishikawa
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Zoological Science
Vol. 37 • No. 6
December 2020
Vol. 37 • No. 6
December 2020
Calliophis nigrotaeniatus comb. nov.
redescription
Southeast Asia
synonym
taxonomy
