Periacma tianshuiensis Wang & Zheng, 1995

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

Periacma tianshuiensis Wang & Zheng, 1995

( Figure 11 )

Periacma tianshuiensis Wang & Zheng, 1995: 9 .

Wing expanse: 12.0–18.0 mm.

Material examined: Holotype: „, Fengxian (33 ° 55 9 N, 106 ° 31 9 E), Shaanxi Province, 1600 m, 9 July 1988, coll. Houhun Li. Allotype: ♀, Tianshui (34 ° 37 9 N, 105 ° 42 9 E), Gansu Province, 11 August 1988, coll. Xingyu Wu. Paratypes: 1 „, 10 July 1998, same locality data as holotype; 3 „„, 1 ♀, 9–10 July 1988, same locality data as allotype.

Distribution: China (Gansu, Shaanxi).

Remarks: This species is characterized by the sacculus not curved. It is related to P. orthiodes , but can be distinguished by the gnathos apically blunt and the sacculus much longer in the male genitalia; and the signum absent in the female genitalia.

Figures

Figures 1–11. Adults of Periacma spp. (1a) P. orthiodes Meyrick, „; (1b) P. orthiodes Meyrick, ♀; (2) P. ferialis Meyrick, „; (3) P. iodesma Meyrick, „; (4) P. delegata Meyrick, „; (5) P. siamensis Moriuti, Saito & Lewvanich, „; (6) P. angkhangensis Moriuti, Saito & Lewvanich, „; (7) P. iodesma vietnamica Lvovsky, „; (8) P. isanensis Moriuti, Saito & Lewvanich, ♀; (9) P. ziyangensis Wang & Zheng, ♀; (10) P. zhouzhiensis Wang & Zheng, „; (11) P. tianshuiensis Wang & Zheng, „.