Stegana undulata, de Meijere, 1911

Li, Bingxue, Zhang, Yuan & Chen, Hongwei, 2019, Nine new species of the subgenus Stegana (Steganina) from China, with DNA barcoding information (Diptera: Drosophilidae), Zootaxa 4576 (1), pp. 81-108 : 102

Stegana undulata species group

Stegana undulata species group: Lu et al. 2011a: 140.

Diagnosis. Surstylus not strongly arcuate, mostly with 1 small acute prensiseta submedially on inner margin, lacking setae basally, with dense setae distally ( Figs 12A , 13A ); 10th sternite erect and expanded distally ( Figs 12F , 13F ). Only characters that depart from the diagnosis of the undulata species group ( Lu et al. 2011a) are provided.

Figures

FIGURE 12. Stegana (Steganina) biflava sp. nov., male terminalia: A. Epandrium, surstylus and cercus (lateral view); B, C. Hypandrium, parameres, aedeagus and aedeagal apodeme (ventral and lateral views); D, E. Gonopods (ventral and lateral views); F. Tenth sternit (ventral view); G. Epiproct and cercus (dorsal view); H. Hypoproct (ventral view); I. Eighth sternite (ventral view). Scale lines = 0.1 mm.

FIGURE 13. Stegana (Steganina) flavivittata sp. nov., male terminalia: A. Epandrium, surstylus and cercus (lateral view); B, C. Hypandrium, parameres, aedeagus and aedeagal apodeme (ventral and lateral views); D, E. Gonopods (ventral and lateral views); F. Tenth sternite (ventral view); G. Epiproct and cercus (dorsal view); H. Hypoproct (ventral view); I. Eighth sternite (ventral view). Scale lines = 0.1mm.