Tropidocephala nigra (Matsumura, 1900)

Figs 13–14, Table 1

Conicoda nigra Matsumura, 1900: 251 .

Tropidocephala maculosa Matsumura, 1907: 63, pl. 2 figs 3, 9.

Tropidocephala nigra – Matsumura & Ishihara 1945: 60, fig. 26. — Ishihara 1949: 14, fig. 26. — Ding & Zhuo 1985: 17, figs 1–4. — Ding 2006: 175, fig. 84.

Material examined

CHINA • 7 ♂♂, 4 ♀♀; Henan Province, Luanchuan County; 33°47′ N, 111°37′ E; 19 Aug. 2008; Hong-Rong Li leg.; IEGU • 4 ♂♂, 3 ♀♀; Shandong Province, Fei County, Daqing Mountain; 35°24′ N, 118°07′ E; 22 Aug. 2011; Wei-Bin Zheng leg.; IEGU • 2 ♂♂; Hubei Province, Dabieshan National Natural Reserve; 31°05′ N, 115°47′ E; 20 Jun. 2014; Zheng-Xiang Zhou leg.; IEGU • 2 ♂♂, 1 ♀; Guizhou Province, Longli County, Longjiashan National Forest Park; 26°28′ N, 106°57′ E; 27 Jul. 2014; Qiang Luo leg.; IEGU • 3 ♂♂, 2 ♀♀; Guizhou Province, Zunyi City, Suiyang County; 27°57′ N, 107°11′ E; 30 Jul. 2014; Hai-Yan Sun leg.; IEGU .

Redescription

MEASUREMENTS. Body length including forewing: male 3.4–3.6 mm (N = 18), female 3.6–3.9 mm (N = 10).

COLORATION. General color dark yellowish brown (Fig. 13A–B). Apical part of vertex (Fig. 13A, C) with long black spot along each side of middle carinae. Antennae (Fig. 13A–E) with apical part of first segment, middle and apical parts of second segment with dark brown ringlike markings. Forewings (Fig. 13F) light yellowish brown, inner side of crossveins with 3 dark brown burl spots, burl spot with lateral sides small, middle part big, many transparent spots of different sizes in middle to apex, posterior of apical part with large dark brown spot.

HEAD AND THORAX. Vertex (Figs 13C, 14A) triangular, longer in midline than wide at base (2.0:1). Frons (Figs 13E, 14B) rhomboid, base obviously narrower than end, longer in middle line than wide at widest part (2.4:1), with obvious median carinae. Antennae (Figs 13E, 14B) with first segment shorter than second segment about 1:2.5. Pronotum (Figs 13C, 14A) shorter than vertex about 0.5: 1 in midline, with 5 carinae. Mesonotum (Figs 13C, 14A) longer than 0.7 × pronotum and vertex combined, median carinae extend to terminal part of scutellum. Forewings (Fig. 13F) slightly broadened apically, longer than maximal width (2.5:1).

MALE GENITALIA. Pygofer (Fig. 14C–D) ventral margin slightly longer than dorsal margin in lateral view, in posterior view with opening longer than wide, with lamellar medioventral process, lateroventral process broad and round. Anal segment (Fig. 14C–E) without anal process, wider than long in lateral view, anal style long. Genital styles (Fig. 14F–G) slender, apical part slightly wider, inner and outer margins curved, inner basal angle with long spinous process, outer margin toothed. Aedeagus (Fig. 14H–I) with phallobase, phallus slender, tubular, curved ventrally near middle, apical part cuspidal; phallobase broad and long, apical ⅔ curved at right angle to abdomen, apex pointed.

Host plant

Miscanthus sp. ( Poales, Poaceae), Imperata cylindrica (L.) P. Beauv. ( Poales, Poaceae).

Distribution

China (Anhui, Fujian, Henan, Hubei, Shandong, Zhejiang provinces), Korea, Japan.