Stegana (Steganina) capillaria, Cao, Hua-Zhi & Chen, Hong-Wei, 2008

Cao, Hua-Zhi & Chen, Hong-Wei, 2008, Revision of the Stegana nigrolimbata species group (Diptera: Drosophilidae) from the Oriental Region, Zootaxa 1848, pp. 27-36 : 31-32

Stegana (Steganina) capillaria sp. nov.

(Figs 8–11)

Type material. Holotype ɗ ( KPSP), labeled “ MALAYSIA: Park Headquarters, Mt. Kinabalu, Sabah, 11.iii.1999, on fallen logs, M.J. Toda”. Paratypes: MALAYSIA: 1Ψ, same data as the holotype except 27.xii.1998 ( KPSP).

Etymology. From the Latin word: capillaria , referring to the frons with sporadic, minute setulae submedially.

Diagnosis. Katepisternum almost brown, slightly pale ventrally; gonopods nearly triangular dorsally (Fig. 11).

Description. Male and female. Frons and fronto-orbital plate brown. Palpus black. Mesonotum and scutellum yellow brown, without patches and longitudinal stripes. Postpronotal lobe yellow-brown on upper 1/2, white on lower 1/2. Katepisternum nearly brown, slightly pale ventrally. Legs almost brown, yellowish on basal part of fore femur. Fore femur with 5 setae on distal part of ventral surface. Abdominal all tergites brown. Sternites brown. Plate between hypandrium and aedeagus lacking a few pubescence (Fig. 10).

Measurements. BL = 2.48 mm in holotype (1Ψ paratype: 2.56); ThL = 1.40 mm (1.44); WL = 2.28 mm (2.37); WW = 1.25 mm (1.28). Indices: arb = 7/6 (8/6), avd = 0.61 (0.70), adf = 1.50 (1.67), flw = 2.08 (1.92), FW/HW = 0.37 (0.37), ch/o = 0.08 (0.08), prorb = 1.18 (1.08), rcorb = 0.68 (0.67), vb = 0.30 (0.26), dcl = 0.38 (0.47), presctl = 0.53 (0.60), sctl = damaged (1.60), sterno = damaged (0.61), orbito = 2.28 (2.13), dcp = 0.21 (0.21), sctlp = 1.19 (1.12), C = 1.79 (1.67), 4c = 1.16 (1.23), 4v = 1.44 (1.42), 5x = 1.12 (1.00), ac = 9.32 (9.60), M = 0.46 (0.42), C3F = 0.60 (0.59).

Distribution. Malaysia (Sabah).

FIGURES 8–11. Stegana (Steganina) capillaria sp. nov., ɗ: 8. Epandrium, surstylus and cercus (lateral view); 9. surstylus (frontal view); 10. hypandrium, aedeagus and aedeagal apodeme (ventral view); 11. base of aedeagus, gonopods and aedeagal apodeme (posterior view) (scale lines = 0.1 mm).