Scaptodrosophila nigrolimbata sp. n.

Figs 6A, C, E, 13

Holotype.

♂ (SCAU, No. 110989): CHINA: Likan, Ximeng, Yunnan, alt. 844 m, 1.v.2016, J Huang, YQ Liu.

Paratype.

CHINA: 1♂ (SCAU, No. 110990), same data as holotype.

Diagnosis.

Surstylus with eight very large peg-like prensisetae (Fig. 13A, B); paramere triangle shaped in lateral view, with a small projection subbasally (Fig. 13D); gonopods concave medially in lateral view, with a small projection distally (Fig. 13D); aedeagus triangle shaped in lateral view (Fig. 13D).

Description.

(♂) Head (Fig. 6A): Frons brown. Pedicel yellowish brown; first flagellomere yellowish brown, margins black. Facial carina yellowish, long, narrow, and flat, as 1/2 length as face.

Thorax (Fig. 6C, E): Mesonotum yellowish brown. Acrostichal setulae in ca. eight regular rows. Scutellum yellowish brown. Pleura yellowish brown.

Abdomen (Fig. 6C, E): Tergites II to VI yellow with dark brown caudal bands, the caudal band on tergites II to V interrupted medially.

Male terminalia (Fig. 13): Epandrium with ca. 23 setae near posterior and ventral margins per side. Hypandrium lacking pubescence. Paramere with five sensilla medially. Aedeagus lacking pubescence.

Measurements [holotype ♂ (range in 1♂ paratypes), in mm]: BL = 2.00 (2.07), ThL = 1.07 (1.17), WL = 2.06 (2.20), WW = 0.86 (0.90).

Indices: arb = 3/2 (3/2), avd = 1.14 (0.89), adf = 2.33 (3.00), flw = 2.33 (2.67), FW/HW = 0.45 (0.49), ch/o = 0.09 (0.08), prorb = 1.00 (1.11), rcorb = 0.38 (0.44), vb = 0.40 (0.29), dcl = 0.39 (0.35), presctl = 0.50 (0.55), sctl = 0.94 (damaged), sterno = damaged (damaged), orbito = 0.40 (0.50), dcp = 0.23 (0.33), sctlp = 0.890 (0.91), C = 3.33 (3.31), 4c = 0.71 (0.76), 4v = 1.59 (1.76), 5x = 1.60 (1.80), ac = 2.00 (2.17), M = 0.47 (0.53), C3F = 0.33 (0.46).

Etymology.

A combination of the Latin words nigritus and limbus, referring to the margins of tergites being nearly black.

Distribution.

China (Yunnan).