Tropidocephala longispina Ding 1982

Tropidocephala longispina Ding, 1982 Figs 11–12, Table 1 Tropidocephala longispina Ding, 1982: 42, figs 7–14. Tropidocephala longispina – Ding 2006: 174, fig. 83. Material examined CHINA • 7 ♂♂, 6 ♀♀; Yunnan Province, Mengla County, Menglun Town; 21°55′ N, 101°15′ E; 12 Mar. 2017; Ying-Jian Wang leg.; IEGU • 3 ♂♂, 2 ♀♀; Yunnan Province, Yingjiang National Wetland Park; 24°41′ N, 97°56′ E; 16 Aug. 2018; Hong-Xing Li leg.; IEGU • 2 ♂♂; Yunnan Province, Jinghong City, Menglong Town; 21°35′ N, 100°41′ E; 21 Jun. 2019; Hong-Xing Li leg.; IEGU • 7 ♂♂, 6 ♀♀; Guizhou Province, Wangmo County; 25°11′ N, 106°06′ E; 10–13 Aug. 2020; Sha-Sha Lv, Feng-E Li and Jian-Kun Long leg.; IEGU. Redescription MEASUREMENTS. Body length including forewing: male 3.4–3.5 mm (N = 19), female 3.5–3.8 mm (N = 14). COLORATION. Vertex, pronotum and mesonotum (Fig. 11A–D) golden-yellow. Middle carinae of vertex and mesonotum, tricarinate of pronotum with dark brown stripe on both side, lateral margins of vertex dark brown, lateral border area of pronotum with dark brown oblique band, lateral carinae of mesonotum with 2 blackish brown bands on outer side, dark brown near base of tegula. Frons (Fig. 11E) grayish brown, large blackish brown spot near base, apical part blackish brown. Genae (Fig. 11B, D) and clypeus (Fig. 11E) dark brown. Antennae (Fig. 11A–E) yellowish brown, with dark brown ringlike spot on end of first segment and on base to middle of second segment. Forewings (Fig. 11F) grey brown, 3 transparent spots of different sizes near anterior margin of apex, and narrow transparent bands along transverse vein at apex. HEAD AND THORAX. Vertex (Figs 11C, 12A) long, longer in midline than wide at base (2.6:1). Frons (Figs 11E, 12B) oblong, widest in the middle, base obviously narrower than end, longer in middle line than wide at widest part (2.4:1), median carinae simple. Antennae (Figs 11E, 12B) with first segment shorter than second segment about 1:2.5. Pronotum (Figs 11C, 12A) shorter than vertex about 0.5:1 in midline. Mesonotum (Figs 11C, 12A) longer than 0.9× pronotum and vertex combined, median carinae extend to terminal part of scutellum. Forewings (Fig. 11F) slightly narrowed apically, longer than maximal width (2.7:1). MALE GENITALIA. Pygofer (Fig. 12C–D, F) ventral margin slightly longer than dorsal margin in lateral view, in posterior view with opening longer than wide, with long spiny medioventral process, extends to base of anal segment, lateroventral process toothlike. Anal segment (Fig. 12C–E) short, without anal process, wider than long in lateral view, anal style long and large. Genital styles (Fig. 12G–H) lamellar and broad, outer margin strongly arched above middle, middle of inner margin with fingerlike process. Aedeagus (Fig. 12I–J) with phallobase, phallus slender, tubular, curved ventrally near the middle, apical part cuspidal; phallobase wide and long, bend accordingly to phallus, tapered end. Host plant Imperata cylindrica (L.) P. Beauv. (Poales, Poaceae). Distribution China (Guizhou, Yunnan provinces).