Sepedon spinipes ( Scopoli, 1763 )

Li, Zhu & Yang, Ding, 2017, Sepedon (Diptera: Sciomyzidae) species from China, with notes on taxonomy and distribution, Zootaxa 4254 (3), pp. 301-321 : 316-320

8. Sepedon spinipes ( Scopoli, 1763) (New record)

( Figs. 68–78 )

Musca spinipes Scopoli, 1763 . Ent. Carniolica: 342. Type locality: Yugoslavia.

Sepedon haeffneri Fallén, 1820 . Sciomyzides Sveciae: 3. Type localities: Sweden: Uppsala, Hellwig.

Diagnosis. Male ( Fig. 68 ). Body yellowish brown without metallic luster. Both round velvety black orbital spots and velvety black parafacial spots between eye and antenna present ( Fig. 69–70 ). Frons with pair of posterior orbital setae ( Fig. 69 ). Antennal scape and pedicel yellowish brown, antennal flagellum almost black ( Fig. 70 ). Mesonotum brown with four darker brown longitudinal stripes. Thoracic pleuron yellow with distinct pale pruinosity. One pair of apical scutellar setae present. Hind femur with double row of short, thick ventral spines in distal half. Hind tibia distinctly curved along ventral margin of hind femur ( Fig. 71 ). Wing hyaline and immaculate, both crossveins darker. Posterior crossvein bowed outward ( Fig. 72 ). Female similar to male in external characters except terminalia.

Male terminalia: sternum 5 divided into two square sclerites ( Fig. 73 ). Cercus prolonged, round apically ( Fig. 74 ). Surstylus rectangular in caudal view ( Fig. 74–75 ). Hypandrium symmetrical, tapering to apex, curled forward ( Fig. 76 ). Aedeagus and apodemes as shown in Figs. 77–78 .

Specimens examined. CHINA: Beijing: 1951. V. 8, Ji-Kun Yang (-, CAU), 1957 . V. 31, Song-He Ying (1♂, IZCAS) . Shaanxi, Baoji , 1500 m, 2006. VI. 25, collectors unknown (2♀, NAFU) . Xinjiang: Tulufan, 1979. VIII. 26, Ji-Kun Yang (1♂, CAU); Tekes County, 600 m, 1957 . VII. 4, Wang Guang (1♀, IZCAS); Wulumuqi, 980 m, 1959 . IX. 2, A-Fu Tian (1♂, IZCAS) .

Distribution. China (Beijing, Shaanxi, Xinjiang); Ireland, the British Isles, Scandinavia, North Africa ( Morocco), Portugal, Mongolia, the Russian Far East ( Elberg et al., 2009).

Remarks. Sepedon spinipes is very similar to S. noteoi in external characters. The differences separating them are noted in couplet 7 in the key and in the remarks about S. noteoi . The species is common in the Palaearctic Region. The specimens listed here under “Specimens examined” constitute the first record of the species in China.

Figures

FIGURES 68 – 78. Sepedon spinipes (Scopoli). 68. Male habitus, lateral view. 69. Frons, frontal view. 70. Head, lateral view. 71. Hind leg, lateral view. 72. Wing. 73. Male Sternum 5 and terminalia, ventral view. 74. Male postabdomen, caudal view. 75. Male postabdomen, lateral view. 76. Hypandrium (left part), lateral view. 77. Aedeagus and apodemes, lateral view. 78. Hypandrium, aedeagus and apodemes, ventral view.