Polypedates microtympanum Günther, 1858 Philautus microtympanum (Günther, 1858) Pseudophilautus microtympanum, also known as Gunther's bubble-nest frog or small-eared shrub frog, is a species of frog in the family Rhacophoridae.

It is endemic to the central hills of Sri Lanka.

Sub-adults and juveniles are more often found in grassland and disturbed habitats, whereas adult frogs are usually found in closed-canopy habitats.

It is threatened by habitat loss, agrochemical pollution, and the desiccation of its habitat.

This Rhacophoridae article is a stub.