Periacma binchuanensis Wang & Zheng, 1996

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 : 2380-2382

Periacma binchuanensis Wang & Zheng, 1996

( Figures 13 and 40 )

Periacma binchuanensis Wang & Zheng, 1996: 32 .

Wing expanse: 17.0–18.0 mm.

Female genitalia ( Figure 40 ): Papilla analis relatively small. Apophysis posterioris about four times length of apophysis anterioris. Lamella postvaginalis densely spinulate. Antrum dorso-laterally extended outward. Ductus bursae thick, almost as long as corpus bursae. Corpus bursae long oval, without signum.

Material examined: Holotype: „, Binchuan (25 ° 49 9 N, 100 ° 32 9 E), Yunnan Province, 2300 m, 13 June 1982, coll. Ruxing Ma.

Additional material: 1 ♀, Binchuan , Yunnan Province, 1900, 22 June 1982, collector unknown ; 1 ♀, Baoshan (25 ° 08 9 N, 99 ° 10 9 E), Yunnan Province, 31 May 1951, collector unknown .

Distribution: China (Yunnan).

Remarks: This species can be easily separated from other species of the genus by the digitate process at basal 1/5 of the costa of the valva.

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.