Micryletta hekouensis Liu, Hou, Mo & Rao 2021

Micryletta hekouensis Liu, Hou, Mo & Rao, 2021 Materials Type status: Other material. Occurrence: catalogNumber: IB A. 6398; individualCount: 1; sex: male; lifeStage: adult; occurrenceID: 9B505AB8-0DE7-56F1-852F-C9244A81B4EF; Taxon: scientificNameID: Micryletta hekouensis; scientificName: Micryletta hekouensis; class: Amphibia; order: Anura; family: Microhylidae; genus: Micryletta; specificEpithet: hekouensis; scientificNameAuthorship: Liu, Hou, Mo & Rao, 2021; Location: country: Vietnam; countryCode: VN; stateProvince: Ha Nam; county: Kim Bang; municipality: Kim Bang; locality: Kim Bang SHCA; verbatimElevation: 24 m; verbatimLatitude: 20 ° 45.637 ' N; verbatimLongitude: 105 ° 80.930 ' E; verbatimCoordinateSystem: WGS 84; Event: eventDate: 25 April 2025; eventRemarks: collected by Nguyen QT, Pham TC, Phan QT, and Pham VA; Record Level: language: en; collectionCode: Amphibians; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: IB A. 6399; individualCount: 1; sex: female; lifeStage: adult; occurrenceID: 9101472E-4D42-5867-BEE4-1BE6BB35F512; Taxon: scientificNameID: Micryletta hekouensis; scientificName: Micryletta hekouensis; class: Amphibia; order: Anura; family: Microhylidae; genus: Micryletta; specificEpithet: hekouensis; scientificNameAuthorship: Liu, Hou, Mo & Rao, 2021; Location: country: Vietnam; countryCode: VN; stateProvince: Ha Nam; county: Kim Bang; municipality: Kim Bang; locality: Kim Bang SHCA; verbatimElevation: 24 m; verbatimLatitude: 20 ° 45.637 ' N; verbatimLongitude: 105 ° 80.930 ' E; verbatimCoordinateSystem: WGS 84; Event: eventDate: 25 April 2025; eventRemarks: collected by Nguyen QT, Pham TC, Phan QT, and Pham VA; Record Level: language: en; collectionCode: Amphibians; basisOfRecord: PreservedSpecimen Description Morphological characters of the specimens from Ha Nam Province agreed well with the descriptions of Liu et al. (2021) and Nguyen et al. (2024): SVL 22.3 mm in male (n = 1) and 27.5 mm in female (n = 1); head wider than long (HW 6.9 mm, HL 6.2 mm in male; HW 7.8 mm, HL 7.2 mm in female); snout abruptly round in dorsal view and slightly acuminate in profile, longer than eye (RL 3.3 mm, ED 2.5 mm in male; RL 3.9 mm, ED 2.9 mm in female); interorbital distance 1.9–2.3 times broader than upper eyelid (UEW 1.4 mm, IOD 3.2 mm in male; UEW 2.0 mm, IOD 3.8 mm in female); tympanum visible, round (TD 0.6 mm in male, 0.8 mm in female); vomerine teeth absent; tongue oval, with no notch at posterior tip; external vocal sac present in males. Fore-limb slender (HAL 11.9 mm in male and 14.2 mm in female); fingers free of webbing, tips round and not dilated; nuptial pad absent. Hind-limb slender, tibia longer than thigh (TbL 10.9 mm, FL 10.0 mm in male; TbL 12.5 mm, FL 11.8 mm in female); toe tips round and not dilated; webbing between toes absent; subarticular tubercle present; inner and outer metatarsal tubercles present; tibio-tarsal articulation reaching level of front of eye. Dorsal skin smooth, without dorsolateral fold, flanks and hind-limb with small tubercles; ventral skin smooth. Colouration in life: dorsal surface of head and body as well as upper arm golden, back with two indistinct parallel longitudinal grey stripes; lateral sides of head and body black; ventral side of body and limbs pinkish-brown, chin region brownish-black; chest and lateral region of belly with small and irregular white marbling (Figs 10, 11). Distribution In Vietnam, this species is recently known from Hai Phong City and Ninh Binh Province (Nguyen et al. 2024, Frost 2025). Elsewhere, this species is only known from China (Frost 2025). Ecology Specimens of Micryletta hekouensis were found on the ground near a small stream between 19: 30 h and 21: 30 h. Males were recorded calling at the site and tadpoles were observed in temporary water puddles. The surrounding habitat was a mixed secondary forest of small hardwood and shrubs. Conservation Conservation status. Not evaluated (IUCN 2025).