Lophoptera purpurfera Qi & Wang, sp. nov.

Figs. 92, 93, 127, 153

Diagnosis. By external appearance L. purpurfera is almost identical to those of L. squammilinea, but the former has a distinct purple shining at the forewing terminal area. In the male genitalia, the costa bears an apical elongate process, which is much smaller in L. squammilinea; the valva is apically narrower than in L. squammilinea; the juxta is heart shaped but diamond shaped in L. squammilinea .

Description. Head. Frons yellowish-brown, convex. Male antenna filiform, brown. Vertex with a black transversal line. Labial palpus brown, extended beyond frons, the second segment with thick and long scales terminally. Thorax. Forewing length: male 14 mm. Thorax yellowish-brown; tegulae covered with thick yellow scales; patagia longer than half of mesothorax, covered with scales yellowish-brown basally, blackish-brown terminally. Wing pattern. Forewing costal margin with longitudinal blackish-brown band from base to apex, widest near postmedial line, with lower margin gently curved; a longitudinal greyish-white line below blackish-brown band from base to postmedial line; antemedial line black, double, wavy; medial line thin, black, slightly wavy; reniform obscure, ringed with black; postmedial line black, double, wavy; antemedial, medial and postmedial lines visible only between greyish-white band and anal margin; area outside postmedial line tinged with purple shining; thin black line between postmedial and submarginal lines slightly wavy, outlined with greyish-white shadow anteriorly; submarginal line greyish-white, thin and slightly wavy; terminal line black, interrupted on vein ends, outlined with greyish-white shadow anteriorly; fringes blackish-brown basally, greyish-brown terminally. Hindwing blackishbrown, basal half slightly transparent, veins black; fringes same color as forewing. Underside: forewing with basal half light greyish-brown, terminal half dark greyish-brown; hindwing with almost transparent basal half, terminal half blackish-brown. Abdomen. Brown. Male genitalia. Uncus long, pointed apically. Gnathos short, connected at middle, forming a small round process at base of uncus. Base of costa with a quadrate bulge, ending with elongate process, about half length of bulge; sacculus expanded. Juxta heart shaped. Saccus elongate, almost same length as valva. Aedeagus long and narrow, slightly expanded basally. Female genitalia. Unknown.

Material examined. Holotype: male, CHINA, Hainan: Jianfengling, 28.VIII.1982, coll. Liu Yuanfu (IZCAS).

Distribution. China (Hainan).

Etymology. The specific name derived from the Latin word purpura, which means purple, and the suffix -fera, which means present. This refers to the purple shining at the anal margin of the forewing.