Cheilosia egregia Barkalov & Cheng, 1998

Barkalov, Anatolij V. & Ståhls, Gunilla, 2022, Cheilosia (Diptera, Syrphidae: Rhingiini) of Nepal with descriptions of 29 new species, European Journal of Taxonomy 829 (1), pp. 1-127 : 37

Cheilosia egregia Barkalov & Cheng, 1998

Figs 14B–C , 17

Cheilosia (Rubrocheila) egregia Barkalov & Cheng, 1998: 314 . Type locality: “ China: Sichuan: Emei Shan, 3000–3200 m ” (holotype, ♀, ZICAS).

Cheilosia (Rubrocheila) egregia – Barkalov & Cheng 2004: 298 (description of male).

Differential diagnosis

Cheilosia egregia is the single taxon of the subgenus Rubrocheila Barkalov, 2002 . The species is easily distinguished from all congeners by the following combination of characters: abdominal terga orange in anterior ⅔ parts, and black in posterior ⅓, basoflagellomere with a dusky yellow colour and arista with distinct pilosity.

Material examined

NEPAL • 1 ♀; Bhoipur Valley , NW of Phedi; 27°24′ N, 86°57′ E; 1900 m a.s.l.; 25 May [19]97; Hauser leg.; CSCA .

Distribution

China, Nepal.

Figures

Fig. 14. A. Cheilosia (Cheilosia) difficilis Hervé-Bazin, 1929, ♂ (CNC); head. – B–C. Cheilosia (Rubrocheila) egregia Barkalov & Cheng, 1998, ♂ (CSCA); head and body, dorsal views. Not to scale.

Fig. 17. Cheilosia (Rubrocheila) egregia Barkalov & Cheng, 1998. A. Head of ♀, lateral view. B. Head of ♀, dorsal view. C. Antenna of ♀, lateral view of pedicel and basoflagellomere. D. Abdomen of ♀, dorsal view. E. Head of ♂, anterior view. F. Superior lobe of hypandrium, lateral view. G. Surstylus and gonocercus, lateral view. H. Aedeagus and aedeagal apodeme, lateral view. After Barkalov & Cheng 2004. Scale bars indicated in drawings.