Tropidocephala longispina Ding, 1982

Tropidocephala longispina Ding, 1982

Figs 11–12 View Fig View Fig , Table 1 View Tab

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 GoogleMaps • 3 ♂♂, 2 ♀♀; Yunnan Province, Yingjiang National Wetland Park ; 24°41′ N, 97°56′ E; 16 Aug. 2018; Hong-Xing Li leg.; IEGU GoogleMaps • 2 ♂♂; Yunnan Province, Jinghong City, Menglong Town ; 21°35′ N, 100°41′ E; 21 Jun. 2019; Hong-Xing Li leg.; IEGU GoogleMaps • 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 GoogleMaps .

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 View Fig ) 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 View Fig ) grayish brown, large blackish brown spot near base, apical part blackish brown. Genae ( Fig. 11B, D View Fig ) and clypeus ( Fig. 11E View Fig ) dark brown. Antennae ( Fig. 11A–E View Fig ) yellowish brown, with dark brown ringlike spot on end of first segment and on base to middle of second segment. Forewings ( Fig. 11F View Fig ) 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 View Fig , 12A View Fig ) long, longer in midline than wide at base (2.6:1). Frons ( Figs 11E View Fig , 12B View Fig ) 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 View Fig , 12B View Fig ) with first segment shorter than second segment about 1:2.5. Pronotum ( Figs 11C View Fig , 12A View Fig ) shorter than vertex about 0.5:1 in midline. Mesonotum ( Figs 11C View Fig , 12A View Fig ) longer than 0.9× pronotum and vertex combined, median carinae extend to terminal part of scutellum. Forewings ( Fig. 11F View Fig ) slightly narrowed apically, longer than maximal width (2.7:1).

MALE GENITALIA. Pygofer ( Fig. 12C–D, F View Fig ) 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 View Fig ) short, without anal process, wider than long in lateral view, anal style long and large. Genital styles ( Fig. 12G–H View Fig ) lamellar and broad, outer margin strongly arched above middle, middle of inner margin with fingerlike process. Aedeagus ( Fig. 12I–J View Fig ) 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).