Metriocnemus (Metriocnemus) bilobatus Makarchenko & Makarchenko

Li, Xing & Wang, Xin-hua, 2014, New species and records of Metriocnemus van der Wulp s. str. from China (Diptera, Chironomidae), ZooKeys 387, pp. 73-87 : 76

Metriocnemus (Metriocnemus) bilobatus Makarchenko & Makarchenko

Metriocnemus bilobatus Makarchenko & Makarchenko, 2004: 216

Material examined.

CHINA: Sichuan Province, Kangding City, Ertaizidaoban, 30°2'20"N, 101°50'6"E, 1 male, 15.vi.1996, water net, X. Wang. Sichuan Province, Litang County, 29°59'45"N, 100°16'11"E, 1 male, 11.vi.1996, light trap, X. Wang.

Remarks.

This species can be separated from other Metriocnemus species by having a total length of 2.18-2.42 mm, wing length of 1.85-2.25 mm, AR = 0.23-0.26, acrostichals in 2 rows, 25-37 dorsocentrals, and reduced anal lobe of the wing. The anal point is 45-48 µm long, and lacking microtrichia in distal half. Virga is 50-53 µm long and consists of a single spine. The inferior volsella is bilobate, and the length of the basal lobe is about half the length of the gonocoxite.

Distribution.

The species is recorded from Russian Far East ( Makarchenko and Makarchenko 2004). In China it was collected in Sichuan Province in Oriental China for first time.