Sinomicrurus macclellandi (Reinhardt, 1844)

Luong, Anh Mai, Phan, Tien Quang, Nguyen, Truong Quang, Tran, Tung Thanh, Ngo, Hien Thu Thi, van Schingen-Khan, Mona, Ziegler, Thomas & Pham, Cuong The, 2025, New records and an updated checklist of the herpetofauna from Tay Yen Tu Nature Reserve, north-eastern Vietnam, Biodiversity Data Journal 13, pp. e 157862-e 157862 : e157862-

Sinomicrurus macclellandi (Reinhardt, 1844)

Materials

Type status: Other material. Occurrence: catalogNumber: IB R. 6384 ; individualCount: 1; sex: female; lifeStage: adult; occurrenceID: B856FE9B-795D-5DAE-B583-12491C9939EF; Taxon: scientificNameID: Sinomicrurus macclellandi ; scientificName: Sinomicrurus macclellandi ; class: Reptile; order: Squamata ; family: Elapidae ; genus: Sinomicrurus ; specificEpithet: macclellandi ; scientificNameAuthorship: Reinhardt, 1844; Location: country: Vietnam; countryCode: VN; stateProvince: Bac Giang; locality: Tay Yen Tu NR ; verbatimElevation: 288 m; verbatimLatitude: 21°10.507’N; verbatimLongitude: 105°43.337’E; verbatimCoordinateSystem: WGS 84; Event: eventDate: 2 July 2015; eventRemarks: collected by Pham C. T.; Record Level: language: en; collectionCode: Reptile; basisOfRecord: PreservedSpecimen

Description

Morphological characters of the specimen from Tay Yen Tu NR agreed well with descriptions of Pope (1935), Taylor (1965) and Luu et al. (2020). SVL 472.5 mm, TaL 57.61 mm; head not distinct from neck; eye small, pupil round; internasals divided; rostral as wide as high, clearly visible from above; frontal longer than wide, but shorter than parietals; loreal absent; preocular 1 / 1; postoculars 2 / 2, bordering anterior temporal on each side; anterior temporal 1 / 1, posterior temporals 1 + 2; supralabials 7 / 7, third to fourth touching the eye, sixth largest; infralabials 6 / 6, first to fourth bordering chin shields; chin shields in two pairs, in contact medially; dorsal scale rows 13–13 – 13, smooth; ventrals 206; cloacal shield undivided; subcaudals 32, divided; tail with pointed tip. Colouration in life: Dorsal reddish brown, with 28 black cross-bands and three on tail; head black with a wide white cross-band behind eyes; ventral surface cream with black bands and black squarish marks (Fig. 6 ).

Distribution

In Vietnam, this species has been recorded from Lao Cai and Cao Bang Provinces in the north southwards to Lam Dong and Dong Nai Provinces ( Nguyen et al. 2009, Uetz et al. 2025). Elsewhere, this species has been recorded from Bangladesh, Bhutan, China, India, Japan, Laos, Myanmar, Nepal, Taiwan and Thailand ( Nguyen et al. 2009, Uetz et al. 2025).

Ecology

The specimen was found at 21: 00 h, on the bank of a rocky stream. The surrounding habitat was mixed secondary evergreen forest of medium and small hardwoods with shrubs and arrowroot. Air temperatures at the sites ranged from 25.3 ° C to 33.8 ° C and relative humidity ranged from 65 % to 84 %.

Figures

Figure 6. Sinomicrurus macclellandi (female, IB A. 6384).