Bioacoustics of Microhyla hmongorum

Natural history All specimens were collected at night from 19:00 to 23:00 on the forest trails near streams in the evergreen forest at an elevation of 1300 m a.s.l. ( Fig. 7A ). Air temperature was 23°C and relative humidity was 89%. Other anuran species found at the type locality were Leptobrachella ventripunctata (Fei, Ye & Li, SVL male SVL female Snout profile Dorsum skin Ventral color Microhyla 13.8–17.4 (n=5) 19.2–20.3 (n = 3) Acuminate Smooth with tiny and flat tubercles Chest and belly creamy-white fades towards the groin and hmongorum sp. nov. unevenly scattered; dorsolateral edges thighs with indistinct grayish mottling along the thighs and not sharp belly edges; chin, throat pinkish white with scattered indistinct greyish mottling Microhyla xodangorum sp. nov. ? 25.6 Rounded Almost smooth with flat tubercles evenly scattered in dorsum; dorsolateral edges sharp Chest and belly yellowish with indistinct greyish mottling laterally; chin grey with thickly greyish mottling and a thin, light-coloured medial stripe not reaching the chest M. daklakensis 17.7–20.1 22.9–26.8 Rounded Smooth, flanks smoothly shagreened; dorsolateral edges not sharp Chest and belly creamy white; chin dark grey; throat white with scattered dark grey dusting M. ninhthuanensis 17.3–18.8 21.6–23.6 Rounded Smooth, flanks shagreened; dorsolateral edges not sharp Chest and belly creamy white; chin dark grey; throat white with scattered dark grey dusting M. pineticola 17.2–19.5 18.0–23.0 Acuminate Almost smooth above with few tiny tubercles scattered in posterior part of dorsum and along the dorsolateral edges; dorsolateral edges sharp Belly purplish-grey with indistinct whitish mottling; chin dark greyish with orange speckles and a thin light-coloured medial stripe continuing to chest and belly M. neglecta 18.7–20.2 23.4–26.2 Acuminate Smooth with evenly scattered small flat tubercles; dorsolateral edges sharp Chest and belly yellowish with indistinct greyish marbling laterally; centre of chin grey, sides dark-brown to black with a thin, light-coloured medial stripe not reaching the chest M. heymonsi s. str. 16.5–22.0 18.0–26.5 Rounded Obtusely- pointed Smooth, dorsolateral edges not sharp Chest and belly creamy white; chin dark grey; throat white with scattered dark grey dusting F1 versus F2 Disks on distal end of fingers Dorsal peripheral grooves on toe disks Tibiotarsal Foot webbing Distribution Microhyla hmongorum sp. nov. F1> ½ F2 present present Shorter than snout I2 – 2½II2 – 3½III3– 4⅓IV4⅓ – 3V NW Vietnam, S China, N Laos and northeastern Myanmar Microhyla xodangorum sp. nov. F1> ½ F2 present, F2–F4 weak present, weak well beyond snout I1½ – 2½II1¾ – 3III2¾ – 3¾IV4 – 2½V Kon Tum pl., S Vietnam M. daklakensis F1> ½ F2 present present Shorter than snout I2 – 2½II2 – 3III3 – 4IV4⅓– 3V Dak Lak M. ninhthuanensis F1 ≤ ½ F2 present present Shorter than snout I2 – 2½II2 – 3III3 – 4IV4⅓– 3V Southern Vietnam, Central Thailand and Southern Myanmar M. pineticola F1 ≤ ½ F2 present, F2–F4 weak present, weak Shorter than snout, but beyond the eye level I1½ – 2½II1¾ – 3III2¾ – 3¾IV4 – 2½V Chu Yang Sin NP, Langbian pl., S Vietnam M. neglecta F1> ½ F2 present present, weak Well beyond snout I1½ – 2½II1¾ – 3III2¾ – 3¾IV3¾ – 2½V Langbian pl., S Vietnam M. heymonsi s. str. F1 ≤ ½ F2 present Usually present Shorter than snout I2 – 2½II2 – 3III3 – 4IV4⅓– 3V S China, NE India, SE Asia to Sumatra 1990) and Limnonectes bannaensis Ye, Fei, Xie & Jiang, 2007 . Larval stages, eggs and advertisement call of the new species are unknown.