Platylomia

Wang, Xu & Wei, Cong, 2014, Review of the cicada genus Platylomia Stål (Hemiptera, Cicadidae) from China, with description and bioacoustics of a new species from Mts. Qinling, Zootaxa 3811 (1), pp. 137-145 : 139

Key to the species of Platylomia of China

1. Fore wing with distinct markings on basal veins of second, third, fifth, and seventh apical cells, and at apices of longitudinal veins of apical cells.................................................................................... 2

- Fore wing without markings or with almost indistinguishable infuscation only on basal veins of second and third apical cells..................................................................................................... 5

2. Male opercula reaching the hind margin of abdominal sternite VIII...................................... P. lemoultii

- Male opercula not reaching abdominal sternite VIII.......................................................... 3

3. Abdomen generally black dorsally; male opercula with outer margin straight...................... P. shaanxiensis sp. n.

- Abdomen dark castaneous dorsally; male opercula with outer margin incurved..................................... 4

4. Male opercula brownish, with apex rounded; abdominal sternite II ochreous with a pair of large blackish markings..................................................................................................... P. bivocalis

- Male opercula reddish brown, with apex pointed; abdominal sternite II ochreous without markings............... P. plana

5. Male opercula reaching beyond half length of abdominal sternite VI............................................. 6

- Male opercula not reaching anterior margin of abdominal sternite VI............................................. 7

6. Male opercula uniformly ochraceous................................................................. P. larus

- Male opercula brownish grey with distal part often darker............................................... P. radha

7. Male opercula with apices rounded; distal margin of uncal lobes with at most one or two small wart-like projections.. P. bocki

- Male opercula with apices narrowed; distal margin of uncal lobes with several short, pointed projections........ P. malickyi