Dialineura gorodkovi Zaitzev, 1971

Liu, Si-Pei & Yang, Ding, 2012, Revision of the Chinese species of Dialineura Rondani, 1856 (Diptera, Therevidae, Therevinae), ZooKeys 235, pp. 1-22 : 11

Dialineura gorodkovi Zaitzev, 1971 Figs 56, 5773

Dialineura gorodkovi Zaitzev, 1971: 191. Type locality: Chukchi, Russia (Holotype deposited in Zoological Institute, Academy of Science of Russia, St. Petersburg); Lyneborg 1975: 577; Webb and Irwin 1991: 873.

Diagnosis.

Black setae on frons (Fig. 56) very long and dense, even expand to parafacicals. Male mesonotum (Fig. 57) with 3 wide dark brown vittae, separated by 2 narrow brownish grey stripes, the central vitta with a narrow brownish grey stripe in the middle. Pterostigma of wing dark brown. Male subepandrial sclertie ( Zaitzev 1971, p191, fig. 5; Webb and Irwin 1991, p872, fig. 5) triangular and 1.5-2 times longer than cercus; gonocoxite ( Zaitzev 1971, p191, fig. 5; Webb and Irwin 1991, p872, fig. 7, 8) narrow apically and with substylus in interior margin.

Materials.

2 male, CHINA: Beijing, Xiaolongmen (39°57'N, 115°26'E), 21. V. 2010, Tao Li.

Distribution.

Palaearctic region: China (Beijing) (Fig. 73), Russia; Nearctic region: Canada and USA. In China, this is biogeographically part of North China Region ( Zhang 1999).

Remarks.

Zaitzev (1971) firstly described Dialineura gorodkovi from Chukchi, Russia and gave the figures of the male genitalia. Lyneborg (1975) first recorded D. gorodkovi in north America. Webb and Irwin (1991) redescribed Dialineura gorodkovi and gave figures of both male and female genitalia. We newly record Dialineura gorodkovi from China.