[1][2] It is currently known only from its type locality in Jamun Khadi, Jhapa District, eastern Nepal.

It is referring to the flat southern plains of Nepal, the area of the type locality.

The dorsum is light brown and bears small red spots present all over the dorsal surface of the body and the limbs except for the hand, meta-tarsus and foot.

[1] The type locality is an artificial wetland at 119 m (390 ft) above sea level, surrounded by rice plantations.

[1] Microphyla taraiensis has not been assessed by the International Union for Conservation of Nature (IUCN), but Khatiwada and colleagues suggest that it should be classified as "data deficient".