Pseudoxenodon macrops
Creators: name: Dau, Vinh Quang
name: Hoang, Thao Ngoc
name: Nguyen, Truong Quang
name: Pham, Anh Van
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Squamata
Colubridae
Pseudoxenodon
Pseudoxenodon macrops

description: Pseudoxenodon macrops (Blyth, 1855)
Materials
Type status: Other material. Occurrence: catalogNumber: HDU 5001; individualCount: 1; sex: Subadult; occurrenceID: EC18872D-893F-5981-B002-FF64F40C1956; Taxon: scientificNameID: Pseudoxenodon macrops; scientificName: Pseudoxenodon macrops; class: Reptilia; order: Squamata; family: Colubridae; genus: Pseudoxenodon; specificEpithet: macrops; scientificNameAuthorship: (Blyth, 1855); Location: country: Vietnam; countryCode: VN; stateProvince: Thanh Hoa; county: Thanh Hoa; municipality: Ba Thuoc; locality: Near Thanh Son Commune; verbatimElevation: 1006 m; verbatimLatitude: 20 ° 48335 ’ N; verbatimLongitude: 105 ° 09964 ' E; verbatimCoordinateSystem: WGS 84; Event: eventDate: June; eventTime: 2024; eventRemarks: collected by V. Q. Dau; Record Level: language: en; collectionCode: Reptilia; basisOfRecord: PreservedSpecimen
Type status: Other material. Occurrence: catalogNumber: HDU 5002; individualCount: 1; sex: Subadult; occurrenceID: 3B88177D-B7BA-5718-B556-DF1F71DF3055; Taxon: scientificNameID: Pseudoxenodon macrops; scientificName: Pseudoxenodon macrops; class: Reptilia; order: Squamata; family: Colubridae; genus: Pseudoxenodon; specificEpithet: macrops; scientificNameAuthorship: (Blyth, 1855); Location: country: Vietnam; countryCode: VN; stateProvince: Thanh Hoa; county: Thanh Hoa; municipality: Ba Thuoc; locality: Near Thanh Son Commune; verbatimElevation: 1006 m; verbatimLatitude: 20 ° 48335 ’ N; verbatimLongitude: 105 ° 09964 ' E; verbatimCoordinateSystem: WGS 84; Event: eventDate: July; eventTime: 2024; eventRemarks: collected by V. Q. Dau; Record Level: language: en; collectionCode: Reptilia; basisOfRecord: PreservedSpecimen
Description
Morphological characters of the specimens from Thanh Hoa Province agreed well with the descriptions of Smith (1943) and Pham et al. (2014): SVL 200.0– 200.6 mm, TaL 37.0–40.0 mm (n = 2, subadults). Body cylindrical; head distinct from neck; snout elongate; rostral as broad as high, partly visible from above; internasals as wide as long, not in contact with loreal; prefrontal about half the length of frontal; frontal pentagonal; parietals longer than wide; nasal paired; loreal 1 / 1; supralabials 8 / 8, fourth to fifth entering orbit, seventh largest; infralabials 10 / 10, first to fourth bordering chin shields; preoculars 2 / 2; postoculars 2 / 2, bodering anterior temporals; anterior temporals 2 / 2; posterior temporals 2 / 2; dorsal scale rows 19–17 – 15, keeled; ventrals 158–160 in juvelines; cloacal scale paired; subcaudals 59–60, paired.
Colouration in preservative. Dorsal surface brownish-grey with short white cross-bars of black edge; a large V-shaped black spots on neck; chin and venter yellowish-cream, with large black spots anteriorly (Fig. 6).
Distribution
In Vietnam, this species has been recorded from Lai Chau, Lao Cai, Son La, Vinh Phuc, Nghe An, Ha Tinh, Quang Binh, Da Nang and Lam Dong Provinces (Pham et al. 2014). Elsewhere, this species is known from India, Nepal, China, Myanmar, Malaysia, Thailand and Laos (Nguyen et al. 2009, Uetz et al. 2024).
Type locality: " near Darjiling " [Darjeeling, E India] (Uetz et al. 2024).
Ecology
Two subadults were found between 09: 00 h and 12: 00 h on the ground, near a slow flowing stream. The surrounding habitat was evergreen secondary forest.
description: Published as part of Dau, Vinh Quang, Hoang, Thao Ngoc, Nguyen, Truong Quang & Pham, Anh Van, 2024, New records and an updated list of reptiles from Thanh Hoa Province, Vietnam, pp. e 134976 in Biodiversity Data Journal 12 on page e134976, DOI: 10.3897/BDJ.12.e134976