Key to Werneria species

1 Belly with larger (> 1–2 mm) white or yellow spots ................................................... 2

1' Belly with only very small (<1 mm) white points ...................................................... 4

2 Hind feet moderately webbed, at least web not extending middle of fourth toe; back clear brown or reddish brown; two dark bars on thighs; urostyle bordered by black stripes ...................................................................................................... Werneria mertensiana

2' Hind feet with webbing that extends at least to the middle of the medial side of the fourth toe ...................................................................................................................... 3

3 Hind feet completely webbed; very thin dorsolateral line of equal width along body; flanks uniform black ............................................................ Werneria iboundji nov. sp.

3' At least fourth toe of hind foot incompletely webbed; dorsolateral line extending posteriorly; lower flanks with clear spots ............................ Werneria submontana nov. sp.

4 Hind feet with only traces of webbing ................................................. Werneria tandyi

4' Hind feet webbed ......................................................................................................... 5

5 Hind feet not completely webbed; young males and some females with distinct, clear dorsolateral lines ................................................................................. Werneria preussi

5' Hind feet completely webbed; neither sex with distinct, clear dorsolateral lines .......... ..................................................................................................... Werneria bambutensis