Terrilimosina nana Hayashi, 1992

Cao, Wenqiang, Dong, Hui & Yang, Ding, 2025, A review of Terrilimosina Roháček, 1983 (Diptera, Sphaeroceridae) from China with new records and three new species, ZooKeys 1241, pp. 139-169 : 139-169

Terrilimosina nana Hayashi, 1992

Figs 1 l , 18 , 19

Terrilimosina nana Hayashi, 1992: 569. - Roháček et al. 2001: 272 [World Catalog of Sphaeroceridae]; Su et al. 2009: 807–808 [redescription, illustr.]; Su 2011: 117–118, 215 [redescription, illustr.]; Dong et al. 2020: 431 [Species Catalog of China].

Material examined.

China: - Beijing: • 1 ♂, 1 ♀; Miyunxian, Huayuancun ; 672 m, 3.vi.2018; Chunmin Zhang . - Gansu: • 1 ♂; Linxia Hui Autonomous Prefecture, Hezheng County, Songmingyan Scenic Area ; 2456 m, 15.viii.2023; Ding Yang . - Hebei: • 1 ♂; Wulingshan, Zhonggusi ; 12.vi.2019; Ding Yang . - Hubei: • 1 ♂; Yichang, Longmenhecun ; 1261 m, 9.vi.2023; Jiuzhou Liu . - Liaoning: • 1 ♂; Fushun, Lijiacun ; 540 m, 20.vi.2020; Tao Li; (M) . - Shaanxi: • 1 ♂; Ningshan, Shibazhangpubu ; 1116 m, 14.viii.2022; Bing Zhang . - Tianjin: • 1 ♂; Jizhou, Baxianshan ; 221–706 m, 28.vi.2019; Dongyue He . (all EMCAU).

Diagnosis.

Male S 5 with two patches of short, stout posterior bristles (Fig. 19 d ). Male S 6 with a small posteromedial process (Fig. 19 d ). Surstylus with two short, blunt bristles on the apex of the posteroventral lobe (Fig. 19 a, b ).

Type locality.

Japan, Saitama, Iruma-gun, Moroyama.

Distribution.

China (Beijing, Gansu, Hebei, Hubei, Liaoning, Shaanxi, Tianjin); Japan (Saitama).

Comments.

Previous Chinese records of this species are from Liaoning ( Su et al. 2009; Su 2011; Dong et al. 2020). Here we present new records from Beijing, Gansu, Hebei, Hubei, Shaanxi, and Tianjin.

Figures

Figure 1. Terrilimosina wings. a. T. bicruris sp. nov.; b. T. dentata sp. nov.; c. T. parasmetanai Su & Liu; d. T. brevipexa Marshall; e. T. parabrevipexa Su & Liu; f. T. maoershanensis Su; g. T. schmitzi (Duda); h. T. deemingi Marshall; i. T. capricornis Su & Liu; j. T. longipexa Marshall; k. T. paralongipexa Hayashi; l. T. nana Hayashi; m. T. unio Marshall; n. T. digitata sp. nov. Scale bar: 0.5 mm.

Figure 18. T. nana Hayashi, 1992 habitus. a. Male lateral; b. Female lateral. Scale bars: 1.0 mm.

Figure 19. T. nana Hayashi, 1992 structures of male postabdomen. a. Terminalia posterior; b. Terminalia lateral; c. Phallus and associated structures lateral; d. S 5 and S 6 ventral. Scale bar: 0.1 mm.