Thecobathra longisaccata Fan, Jin et Li, 2008

Liu, Haoyu & Wang, Shuxia, 2023, Taxonomic study of the genus Thecobathra Meyrick (Lepidoptera: Yponomeutidae) in China, with descriptions of eight new species, Zootaxa 5325 (4), pp. 483-508 : 491-492

Thecobathra longisaccata Fan, Jin et Li, 2008

( Fig. 27 )

Thecobathra longisaccata Fan, Jin et Li, 2008: 17 . TL: China (Yunnan). TD: NKU.

Material examined. CHINA, Yunnan: Holotype ♁, Ruili Rare Botanical Garden (24.00°N, 97.08°E), 1000 m, 6.VIII.2005, leg. YD Ren, slide No. FXM06051.

Additional material. Xizang: 2♁, Gelin Village (29.25°N, 95.19°E), Beibeng Town , Motuo County, 894 m, 14.VIII.2017, leg. MJ Qi & XF Yang, slide Nos. LHY21069, LHY21070; 4♁, Gelin Village (29.25°N, 95.19°E), Beibeng Town , Motuo County , 1063 m, 29.VII.2018, leg. MJ Qi, slide Nos. LHY21075, LHY21097, LHY21099, LHY21100; 1♁ 1♀, Beibeng Town (29.24°N, 95.17°E), Motuo County , 750 m, 31.VII‒1.VIII.2018, leg. MJ Qi, slide No. LHY21073 ♀, LHY21074♁ .

Diagnosis. Thecobathra longisaccata is diagnosed in the male genitalia by the large subtriangular valva, and the saccus longer than the aedeagus ( Fan et al. 2008: 18, fig. 10); in the female genitalia by the U-shaped lamella postvaginalis.

Description. Adult. Wingspan 14.0‒16.0 mm.

Female genitalia ( Fig. 27 ). Apophyses posteriores 2 times length of apophyses anteriores. Ventral arms of apophyses anteriores connected with lamella postvaginalis. Lamella postvaginalis large, U-shaped, with each arm widened medially, narrowed to pointed apex distally. Antrum heavily sclerotized, 1/6 length of ductus bursae. Ductus bursae parallel-sided, heavily sclerotized, with dense granules on posterior half. Corpus bursae membranous; signum posteriorly wide, with a large, broad band much longer than two lateral flanges together, anteriorly slender, lateral flange short, spine-shaped.

Distribution. China (Xizang, Yunnan).

Note. The female is described for the first time.

Figures

FIGURES 27–31. Female genitalia of Thecobathra spp. 27, T. longisaccata, slide No. LHY21073 (corpus bursae lost); 28, T. minutiprocessa sp. nov., paratype, slide No. JQ10078; 29, T. nakaoi, slide No. LHY21038; 30, T. paranas, slide No. LHY21648; 31, T. pectinacea sp. nov., paratype, slide No. LHY21092. Scales = 0.5 mm.