Sanmai, Chen & Zhang & Wang & Zheng & Wang & Zheng, 2016

Chen, Jun, Zhang, Haichun, Wang, Bo, Zheng, Yan, Wang, Xiaoli & Zheng, Xiaoting, 2016, New Jurassic tettigarctid cicadas from China with a novel example of disruptive coloration, Acta Palaeontologica Polonica 61 (4), pp. 853-862 : 855

Key to species of the new genus Sanmai on forewing:

1. Length/width ratio>3; RP sinuous near nodal line but not fused with the latter .............................................................. Sanmai xuni Length /width ratio 2.5–2.7; RP fused with nodal line for a distance ......................................................................................................... 2

2. RA 1 short and straight; M 1+2 long and curved near nodal line; u3 elongate, about 0.3 wing length ...................................... Sanmai mengi RA 1 long and slightly sinuous; M 1+2 short and straight; u3 about 0.25 wing length ......................................................... Sanmai kongi