Sphaerotheca, Gunther, 1859

Deepak, P., Dinesh, K. P., Ohler, Annemarie, Shanker, Kartik, Channakeshavamurthy, B. H. & Ashadevi, J. S., 2020, A new species of Sphaerotheca Günther, 1859 (Anura: Dicroglossidae) from the degraded urban ecosystems of Bengaluru, Deccan Plateau, India, Zootaxa 4885 (3), pp. 423-436 : 431

Key to Sphaerotheca species of the ‘ breviceps group’ (modified after Dahanukar et al. 2017)

Tibio tarsal tubercle present............................................................................ 1 Tibio tarsal tubercle absent............................................................................. 2

1 Nostrils equidistant from eye and tip of snout; interorbital space broader than upper eyelid; first finger shorter than the second finger; predominant distribution in Sri Lanka...................................................... S. rolandae

- Nostrils near tip of snout; interorbital space equal to upper eyelid; first finger longer than the second finger; predominant distribution around Chota Nagpur plateau, India...................................................... S. magadha

2 First finger longer than the third finger; nostril closer to eye than to snout; predominant distribution in Nepal.... S. maskeyi

- First finger shorter than the third finger; nostril closer to snout than to eye........................................ 3

3 Adult male size medium to large; tympanum less than half the diameter of the eye; toe webbing rudimentary; predominantly distributed on east coast of India................................................................ S. breviceps

- Adult male size large; tympanum half or more than half the diameter of the eye; toe webbing less to moderate........... 4

4 Adult male size large; tympanum about ¾rd the diameter of eye; internarial width greater than the shortest distance between eyes; inner metatarsal tubercle more than three times the length of the inner toe; toe webbing less; widespread in distribution from foothills of Himalayas to the northern Western Ghats. ......................................... S. pashchima

- Adult male size large; tympanum half the diameter of the eye; internarial width equal to the shortest distance between eyes; inner metatarsal tubercle less than three times the length of the inner toe; toe webbing moderate................................................................................................ Sphaerotheca bengaluru sp. nov.