Semioscopis
Generic features: Head rough-scaled on crown; Antenna finely annulate; basal half simple, apical half minutely ciliate; scape without pecten;
Forewing elongate, costa convexly arched, termen moderately oblique; V3&4 strongly arched dorsally, V7 to apex; Hindwing V4&3 connate
Forewing elongate, costa convexly arched, termen moderately oblique; V3&4 strongly arched dorsally, V7 to apex; Hindwing V4&3 connate
Key to species of Semioscopis
Fw with dark angulate streak originating at base; labial palp S3 1/4 length of S2 > S.avellanella
Fw with dark angulate streak originating in cell at 1/5; labial palp S3 1/2 length of S2 > S.steinkelleneriana
Fw with dark angulate streak originating at base; labial palp S3 1/4 length of S2 > S.avellanella
Fw with dark angulate streak originating in cell at 1/5; labial palp S3 1/2 length of S2 > S.steinkelleneriana