Periacma equivalvata Wang, Li & Liu, 2001

Wang, S. X. & Li, H. H., 2006, Review of the genus Periacma Meyrick (Lepidoptera, Oecophoridae) from China, with descriptions of four new species, Journal of Natural History 40 (41 - 43), pp. 2371-2393 : 2384

Periacma equivalvata Wang, Li & Liu, 2001

( Figures 21 and 41 )

Periacma equivalvata Wang, Li & Liu, 2001: 273 .

Wing expanse: 15.0–16.0 mm.

Female genitalia ( Figure 41 ): Papilla analis bluntly rounded caudally, with strong setae. Apophysis posterioris about three times as long as apophysis anterioris. Lamella postvaginalis with caudal margin concave at middle, forming two rounded processes. Ductus bursae well developed, shorter than corpus bursae. Corpus bursae irregularly oval; signum minute, with a tiny anterior spine.

Material examined: Holotype: „, Mt. Jiulian (24 ° 38 9 N, 114 ° 33 9 E), Jiangxi Province, 24 May 1977.

Additional material: 1 „, 1 ♀, 22 May 1977, same locality data as holotype ; 1 ♀, Guangzhou (23 ° 08 9 N, 113 ° 14 9 E), Guangdong Province, 1 May 1978 .

Distribution: China (Guangdong, Jiangxi).

Remarks: This species can be separated from other members of the genus by the gnathos nearly annular, the valva nearly parallel-sided from the base to the apex, and the aedeagus with distal portion produced into two large, densely spined processes.

The female genitalia of this species are described for the first time.

Figures

Figures 12–23. Adults of Periacma spp. (12) P. fengxianensis Wang & Zheng, „; (13) P. binchuanensis Wang & Zheng, ♀; (14) P. simaoensis Li, Wang & Yan, „; (15) P. qujingensis Wang, Li & Liu, „; (16) P. absaccula Wang, Li & Liu, ♀; (17) P. novella Wang, Li & Liu, „; (18) P. sacculidens Wang, Li & Liu, ♀; (19) P. tridentata Wang, Li & Liu, ♀; (20) P. acriuncta Wang, Li & Liu, „; (21) P. equivalvata Wang, Li & Liu, „; (22) P. sinica Wang, Li & Liu, ♀; (23) P. acutignatha Wang, Li & Liu, „.

Figures 38–43. Female genitalia of Periacma spp. (38) P. iodesma vietnamica Lvovsky; (39) P. zhouzhiensis Wang & Zheng; (40) P. binchuanensis Wang & Zheng; (41) P. equivalvata Wang, Li & Liu; (42) P. plumbea Meyrick; (43) P. leyensis Wang & Li, sp. n.; (44) P. latizona Wang & Li, sp. n.; (45) P. spinivalvula Wang & Li, sp. n.