Stegana, Meigen, 1830

Li, Tong, Cao, Huazhi, Gao, Jianjun & Chen, Hongwei, 2010, A revision of the subgenus Stegana (s. s.) (Diptera, Drosophilidae) from mainland China, Zoological Journal of the Linnean Society 158 (4), pp. 726-739 : 729

STEGANA (STEGANA) SINICA SIDORENKO, 1991

Stegana (Stegana) sinica Sidorenko in Sidorenko & Okada, 1991: 655.

Diagnosis: Surstylus with two prensisetae; parameres very small and fused with each other; aedeagus apically with dense long pubescence.

Distribution: China (Sichuan).

STEGANA (STEGANA) ZHANGI SIDORENKO, 1997

( FIGS 1–7 )

Stegana (Stegana) zhangi Sidorenko, 1997: 76 .

Specimens examined: Holotype male, China: Yunnan, Xishuangbanna, Menglun, 24.iv.1958, YR Zhang ( SEHU). One male and one female, Hainan, Ledong , Jianfengling , 700 m, 17.v.2004, ex tree trunks, HW Chen ( SCAU, no. 120269-70); One male and two females, Hainan, 17–19.iv.2008, ex tussock, JJ Gao ( SCAU, no. 120271-73).

Diagnosis: Aedeagus almost sclerotized, apically with three small processes on each side ( Figs 4, 5 ); gonopod with three subequal processes medially and submedially ( Fig. 3 ); paramere with two to three long setae and several small sensilla ( Figs 4, 5 ).

Distribution: China (Hainan, Yunnan).

Figures

Figures 1–7. Stegana (Stegana) zhangi Sidorenko from Hainan, China, 1–5, male; 6, 7, female: 1, epandrium (epand), surstylus (sur), and cercus (cerc) (lateral view); 2, sur (frontal view); 3, hypandrium (hypd) and gonopods (gon) (ventral view); 4, parameres (pm), aedeagus (aed), and aedeagal apodeme (aed a) (ventral view); 5, hypd, gon, pm, aed, and aed a (lateral view); 6, epiproct (epi) and cerc (dorsal view); 7. oviscapt (ovi) (viz. sternite VIII) and hypoproct (hypo) (ventral view). Scale bars = 0.1 mm.