Scaptodrosophila longispinata sp. n.

Figs 5B, D, F, 12

Holotype .

♂ (SCAU, No. 110991): CHINA: Menglun, Mengla, Yunnan, alt. 570 m, 12.iv.2010, L Wang.

Paratypes.

CHINA: 3♂ (SCAU, Nos 110992-994), Menglun, Mengla, Yunnan, alt. 680 m, 11.iv.2010, L Wu.

Diagnosis.

Gonopods bilobed apically (Fig. 12D); aedeagus quadrangle in lateral view (Fig. 12D).

Description.

(♂) Head (Fig. 5B): Frons yellowish brown. Pedicel yellow; first flagellomere yellowish white, margins black. Facial carina yellowish, short, and flat, as 1/4 length as face.

Thorax (Fig. 5D, F): Mesonotum yellowish brown. Acrostichal setulae in ca. ten regular rows. Prescutellar setae small. Scutellum yellowish brown. Pleura yellowish brown, with two brown longitudinal stripes.

Abdomen (Fig. 5D, F): Tergites II to V yellow with dark brown caudal bands, the caudal band on tergite II interrupted medially; tergite VI dark brown.

Male terminalia (Fig. 12): Epandrium with nine setae near posterior and ventral margins per side. Surstylus with 12 peg-like prensisetae. Hypandrium lacking pubescence. Paramere with five sensilla medially. Aedeagus lacking pubescence.

Measurements [holotype ♂ (range in 3♂ paratypes), in mm]: BL = 1.77 (1.60-1.90), ThL = 0.83 (0.67-0.73), WL = 1.60 (1.47-1.67), WW = 0.73 (0.70-0.80).

Indices: arb = 3/2 (3/2), avd = 0.86 (0.78-0.88), adf = 2.33 (2.33-3.00), flw = 1.67 (1.67), FW/HW = 0.45 (0.43-0.46), ch/o = 0.12 (0.12-0.13), prorb = 0.75 (0.67-0.88), rcorb = 0.25 (0.29-0.38), vb = 0.50 (0.29-0.40), dcl = 0.50 (0.53-0.73), presctl = 0.43 (0.40-0.46), sctl = 1.07 (0.94-1.25), sterno = 0.75 (0.64-0.82), orbito = 0.40 (0.40-0.50), dcp = 0.50 (0.42-0.45), sctlp = 1.00 (0.86-1.00), C = 2.33 (1.93-2.00), 4c = 1.20 (1.33-1.44), 4v = 2.60 (2.60-2.67), 5x = 2.00 (1.75-2.33), ac = 2.40 (2.40-3.25), M = 0.80 (0.78-0.80), C3F = 0.67 (0.58-0.64).

Etymology.

A combination of the Latin words longus and spinatus, referring to the long spines on the hypandrium.

Distribution.

China (Yunnan).