Sinomiopteryx Tikham, 1937

Sinomiopteryx Tikham, 1937: 495; Wang and Bi 1991: 126; Wang 1993: 111; Ehrmann 2002: 319.

Type species.

Sinomiopteryx grahami Tinkham, 1937, original designation.

Diagnosis.

Body medium and slender (Fig. 7). Head narrowly transverse with prominent juxtaocular bulges; compound eyes broadly oval, prominent; Ocelli very large closely grouped in the male (Fig. 8E-G), minute in the female. Lower frons narrowly transverse. Antennae filiform, long in male, much shorter in female. Forefemur of males wider than in Arria, with 4 discoidal, 11-13 anteroventral and 4 posteroventral spines; foretibia with 8-10 anteroventral and 5-6 posteroventral spines. Pronotum short with supracoxal dilatation well marked, sparsely granulate, lateral margins with sparsely and strongly denticulate. Forewing broader than Arria, with rounded apex, CuA branches no more than 4, L/W ratio is 3.3-3.7, fore margin clothed with dense cilia; hindwing with truncate apex; both pairs of wings fully developed and exceeding the end of abdomen in male (Fig. 9E-H); female apterous. Sclerite L4A approximately rhomboidal, sdp thick with tip granulated, no terminal lobe (tl), right phallomere with large pia and pva. Styli far apart from each other.