Megophrys feae Boulenger, 1887

Pham, Anh Van, Pham, Cuong The, Doan, Lan Duc, Ziegler, Thomas & Nguyen, Truong Quang, 2019, New records of megophryids (Amphibia: Anura: Megophryidae) from Son La Province, Vietnam, Biodiversity Data Journal 7, pp. 39140-39140 : 39140

Megophrys feae Boulenger, 1887

Materials

Type status: Other material. Occurrence: catalogNumber: TBU MD.2015.174 ; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificNameID: Megophrysfeae; scientificName: Megophrysfeae; class: Amphibia; order: Anura; family: Megophryidae; genus: Megophrys; specificEpithet: Megophrys; scientificNameAuthorship: Boulenger, 1887; Location: country: Vietnam; countryCode: VN; stateProvince: Son La; county: Phu Yen; municipality: Muong Do; locality: near Kieng Village ; verbatimElevation: 790 m; verbatimLatitude: 21°11.25'N; verbatimLongitude: 103°45.79'E; verbatimCoordinateSystem: WGS84; Event: eventDate: September 4, 2015; eventRemarks: collected by H.V. Tu and C.K.P.D. Kham; Record Level: language: en; collectionCode: Amphibians; basisOfRecord: Preserved Specimen

Description

Morphological characters of the specimen (n = 1 male) from Son La Province agreed with the descriptions of Boulenger (1887), Inger et al. (1999) and Fei et al. (2009): SVL 96.5 mm; head wider than (HL 37.6 mm, HW 44.8 mm, HL/SVL 39%, HW/SVL 46%); snout round (SL 10.9 mm), longer than horizontal diameter of eye (EL 8.1 mm); canthus rostralis feeble; nostril lateral, slightly closer to eye than to tip of snout (NS 5.8 mm, EN 5.5 mm); interorbital space flat, broader than upper eyelid and internarial distance (IOD 12.0 mm, UEW 5.7 mm, IN 9.5 mm); tympanum indistinct; vomerine teeth present; tongue heart–shaped, slightly notched posteriorly; vocal sac present.

Forelimb short (FLL 47.2 mm); relative finger lengths I <II <IV <III; fingers dermal fringe absent, free of webbing; tips of fingers round, not swollen; subarticular tubercles indistinct; palmar tubercles indistinct; nuptial pads present.

Hindlimb (HLL 127.0 mm); tibia shorter than thigh (TL 41.1 mm, FL 42.3 mm); relative toe lengths I <II <V <III <IV; tips of toes round; toes without dermal fringe; webbing rudimental; inner metatarsal tubercle distinct; subarticular tubercles indistinct; tibiotarsal articulation reaching to commissure of the jaws.

Skin. Dorsal surface smooth with some small warts; upper eyelid with tubercles, one of which being larger; supratympanic fold present, from posterior edge of eye to axilla; ventral surface smooth.

Colouration in life. Dorsal surface brown olive; supratympanic fold edged in dark brown below; upper lip light brown; ventral surface dark brown with some whitish dots ( Fig. 4 ).

Distribution

In Vietnam, this species has been recorded from Lao Cai, Yen Bai, Ha Giang, Cao Bang, Lang Son, Vinh Phuc and Bac Giang provinces ( Nguyen et al. 2009). Our new record in Son La Province filled the distribution gap of the species in northwestern Vietnam. Elsewhere, this species has been recorded from southern China, Myanmar and Thailand ( Frost 2019).

Ecology

The specimen was found at 20:15 h on a rock in a stream. The surrounding habitat was mixed secondary forest composed of medium hardwoods and shrubs.

Figures

Figure 4. Megophrys feae (TBU MD. 2015.174, adult male) from Son La Province, Vietnam. Photo by A. V. Pham.