Promalactis folivalva Wang, 2018

Liu, Chen & Wang, Shuxia, 2020, Genus Promalactis Meyrick, 1908 (Lepidoptera: Oecophoridae) from Malaysia with description of three new species, Zootaxa 4755 (1) : -

Promalactis folivalva Wang, 2018

( Fig. 9 )

Promalactis folivalva Wang, 2018 , in Jia & Wang: 328. TL: Malaysia. TD: NKU.

Material examined. Malaysia, Mt. Trusmadi , Sabah : 8 ♂, 4 ♀, 1223 m, 10‒13. V.2019, coll. S Yu, slide Nos. LC19116 ♀, LC19146 ♂, LC19274 ♀, LC19280 ♂, LC19281 ♀, LC19283 ♂, LC19300 ♂; 2♀, 1223 m, 6‒8.II.2018, coll. MJ Qi, slide Nos. JYY17631, JYY17632 .

Description of female. Adult female wingspan 10.0‒12.0 mm.

Female genitalia ( Fig. 9 ). Apophyses anteriores about half length of apophyses posteriores. Lamella postvaginalis fusiform, with sparse setae. Ostium bursae longitudinally sub-rectangular, with fine wrinkles. Antrum with posterior 1/4 bowl shaped, anterior 3/4 narrower, uniform. Ductus bursae membranous, posterior 3/5 enlarged ovately, with three denticles, anterior 2/5 narrow and twisted; ductus seminalis from ductus bursae posteriorly. Corpus bursae ovate, membranous, shorter than ductus bursae; signum absent.

Distribution. Malaysia.

Notes. In this study, we found that in male genitalia the aedeagus bears four apical spines, and the longer spine is about twice as long as other three shorter spines. The female is described here for the first time.

Figures

FIGURES 8‒11. Female genitalia of Promalactis spp. 8, P. trusmadiensis, paratype, slide No. JYY17666; 9, P. folivalva, slide No. JYY17631; 10, P. sectoralis, slide No. JYY17915; 11, P. trigonilobata, slide No. LC19279. Scales = 0.2 mm.