Opalimosina prominentia, Su, 2013

Cao, Wenqiang, Yang, Ding & Dong, Hui, 2024, A review of Opalimosina Roháček, 1983 (Diptera, Sphaeroceridae) from China with new records and two new species, Zootaxa 5551 (2), pp. 353-368 : 361-362

6. O. prominentia Su, 2013

( Figs. 7 , 8 )

Opalimosina (Opalimosina) prominentia Su in Su et al., 2013: 96–97 [male, illustr.]. Type locality: China, Shanxi, Qinshui, Zhongcun, Xiachuan .

Description. Female ( Figs. 7A–B ). Body length 1.2–1.5 mm, wing 1.0– 1.3 mm. General color brown. C -index=1.3– 1.4, r-m–dm-m: dm-m =2.5–2.6. Abdomen: Tergites sparsely and shortly setulose. T7 with some setulae and a pair of long setae. T8 short medially, with 2 long setae, laterally extended and bearing thin ventral projection on each side. T10 fused with cerci, with a pair long setae at tip. Cercus wide, narrows from middle to apical, with dense setulae and 1 slightly flattened seta at middle ( Fig. 8A ). S7 wide, with sparse setulae and a pair of longer setae posteromedially. S8 rounded rectangle, with some setulae and a pair long setae. S10 huge, laterally extended to dorsal, with membranous middle and well sclerotized lateral (with dense setulae and a pair long setae) ( Fig. 8B ). 3 globular spermathecaes.

Material examined: CHINA: Shanxi: Lvliang, Pangquangou: 3♂, 8♀, Badaogou , 1930 m, 15.vii.2023, Leyou Zhang; 7♂, 6♀, Badaogou, 1930 m, 15.vii.2023, Meilin Li; 1♀, Xitagou, 1993 m, 16.vii.2023, Meilin Li; 5♂, 3♀, Bashuigou, 1885 m, 17.vii.2023, Leyou Zhang; 1♂, 1♀, Bashuigou, 1885 m, 17.vii.2023, Meilin Li; 2♂, 1♀, Dacaoping, 1792 m, 18.vii.2023, Leyou Zhang; 1♀, Dacaoping, 1792 m, 18.vii.2023, Meilin Li; 1♂, 1♀, Dungou, 1691 m, 20.vii.2023, Meilin Li; 1♀, Laomangou, 1692 m, 22.vii.2023, Leyou Zhang (all EMCAU) .

Comments: This species distributes in Palaearctic region, records only from China Shanxi ( Su et al., 2013). Specimens examined in this study were also all from China Shanxi.

Figures

FIGURES 7. 7A–B. O. prominentia Su, 2013 female habitus. 7A, dorsal; 7B, lateral; 7C–D. male habitus. 7C, dorsal; 7D, lateral. Scale bar:1 mm.

FIGURES 8. 8A–B. O. prominentia Su, 2013 female postabdomen. 8A, dorsal; 8B, ventral. Scale bar: 0.1 mm.