Periacma isanensis Moriuti, Saito & Lewvanich, 1989

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 : 2379

Periacma isanensis Moriuti, Saito & Lewvanich, 1989

( Figure 8 )

Periacma isanensis Moriuti, Saito & Lewvanich, 1989: 127 ; Wang et al. 2001: 276.

Wing expanse: 14.0–16.0 mm.

Material examined: 3 ♀♀, Mengla (21 ° 29 9 N, 101 ° 33 9 E), Yunnan Province, 870 m, 22 May 1962 , 1 ♀, 15 May 1974, coll. Yao Zhou and Feng Yuan, 1 ♀, Shilin (24 ° 41 9 N, 103 ° 22 9 E), Yunnan Province, 14 July 1974, coll. Yao Zhou and Feng Yuan.

Distribution: China (Yunnan), Thailand.

Remarks: This species is similar to P. orthiodes Meyrick and P. kunai Moriuti et al. in appearance. It can be separated easily from them by the presence of two signa rather than one in the corpus bursae.

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, „.