Theloderma lateriticum Bain, Nguyen & Doan, 2009

Theloderma lateriticum Bain, Nguyen & Doan, 2009 View in CoL

Materials

Type status: Other material. Occurrence: catalogNumber: IB A. 6407 ; individualCount: 1; sex: male; lifeStage: adult; occurrenceID: D18C5410-1428-5D83-A091-0DC3E472CECD; Taxon: scientificNameID: Theloderma lateriticum ; scientificName: Theloderma lateriticum ; class: Amphibia; order: Anura ; family: Rhacophoridae ; genus: Theloderma ; specificEpithet: lateriticum ; scientificNameAuthorship: Bain, Nguyen & Doan, 2009; Location: country: Vietnam; countryCode: VN; stateProvince: Ha Nam; county: Kim Bang; municipality: Kim Bang; locality: Kim Bang SHCA ; verbatimElevation: 270 m; verbatimLatitude: 20 ° 32.1730 ' N; verbatimLongitude: 105 ° 50.3761 ' E; verbatimCoordinateSystem: WGS 84; Event: eventDate: 27 April 2025; eventRemarks: collected by Nguyen QT, Pham TC, Phan QT, and Pham VA; Record Level: language: en; collectionCode: Amphibians; basisOfRecord: PreservedSpecimen GoogleMaps

Description

Morphological characters of the specimen from Ha Nam Province agreed well with the descriptions of Bain et al. (2009) and Hecht et al. (2013): SVL 27.5 mm in male (n = 1); head longer than wide (HW 9.0 mm, HL 9.5 mm); snout subacuminate in dorsal view, longer than eye (RL 5.0 mm, ED 4.8 mm); interorbital distance 1.7 times broader than upper eyelid (UEW 2.5 mm, IOD 4.3 mm); tympanum distinct, round (TD 1.5 mm); vomerine teeth absent; tongue notched posteriorly; vocal sacs absent. Fore-limb slender (FL 14.5 mm); fingers free of webbing, tips of fingers expanded into large discs, relative finger lengths I < II < IV < III; nuptial pad present in male. Hind-limb slender, tibia longer than thigh (TbL 15.8 mm; TbL 14.5 mm); toe tips expanded into discs; webbing present, webbing formula: I 1–1 1 / 2 II 1–2 III 1 3 / 4–3 IV 3 – 1 3 / 4 V; inner metatarsal tubercle elongate; outer metatarsal tubercle absent; tibio-tarsal articulation reaching tip of snout. Dorsal skin granular, with keratinised spicules on small, isolated bumps; dermal fringes on the postaxial portions of the limbs absent; throat smooth, becoming coarsely tubercular towards the belly. Colouration in life: Dorsum rusty brown with three black spots on mid-dorsal, near eyelid on each side and near shoulder; lip and upper portion of limbs with small white spots; upper part of flanks with black blotches; throat, chest and belly grey-brown with cream spots (Fig. 17 View Figure 17 ).

Distribution

In Vietnam, this species is known from Lao Cai, Son La, Ha Giang, Bac Giang, Quang Ninh and Ha Tinh Provinces ( Hecht et al. 2013, Pham and Nguyen 2018, Frost 2025). Elsewhere, this species is known from China and Laos ( Frost 2025).

Ecology

Specimen of Theloderma lateriticum was found on a tree branch near a small stream at 20: 30 h. Tadpoles were observed inhabiting water-filled bamboo tubes. The surrounding habitat was a mixed secondary forest of small hardwood and shrubs.

Conservation

Conservation status. LC (Least Concern) ( IUCN 2025).