Micryletta aishani Das et al., 2019

Hakim, Jonathan, Trageser, Scott J., Ghose, Animesh, Rashid, Sheikh Muhammad Abdur & Rahman, Shahriar Caesar, 2020, Amphibians and reptiles from Lawachara National Park in Bangladesh, Check List 16 (5), pp. 1239-1268 : 1244

Micryletta aishani Das et al., 2019

Figure 3D

Material examined. BANGLADESH • 1 adult; Syl- het Division, Moulvibazar District , Kamalganj Upazila, LNP, north of Lawachara Station; 24°19.78′N, 091° 47.15′E; 14 Jun. 2014; photo voucher ZRC ( IMG) 1.144 .

Identification. This small frog matched the description of M. aishani in having webbing-free toes, visible tympanum, dorsal skin shagreened with minute spinules, brown dorsal coloration with faint median band, scattered black spots towards posterior, black lateral streak from nose to vent, and ash-gray mottling on lips, flanks, and limb margins ( Das et al. 2019).

Taxonomic notes. This account represents the first con- firmed occurrence of M. aishani in Bangladesh. Das et al. (2019) found the species in three adjacent states of Northeast India, our finding being approximately 120 km southwest of the closest locality in Subhong, Assam, and 125 km north-northeast of the locality in Belonia, Tripura. This species has previously been misidentified as Microhyla rubra (Jerdon, 1853) in LNP and other

localities in Bangladesh (such as in Hasan MK et al. 2014), although the presence of Micryletta in Bangladesh was noted in Khan (2014). We have also seen specimens of Microhyla berdmorei and Microhyla ornata complex misidentified as Microhyla rubra ( Khan 2008; Kabir et al. 2009), and are aware of no evidence that Microhyla rubra is found in Bangladesh despite its presence in lists and field guides.

Habitat. Micryletta aishani was almost always encountered within mature forest. All three sightings outside of that area were in village habitat.

Remarks. Within LNP, M. aishani was observed less often than other microhylids. On rare occasions in the rainy season it appeared in large numbers on a single stretch of road in mature forest. JH encountered at least 15 live specimens and ~100 road-killed specimens during a short walk of this stretch after a storm on 19 June 2014.