Bioacoustics of Platylomia

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