Periacma orthiodes Meyrick, 1894

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 : 2375

Periacma orthiodes Meyrick, 1894

( Figure 1 )

Periacma orthiodes Meyrick, 1894: 22 ; Gaede, 1939, 92: 382; Clarke, 1963: 361; Moriuti et al., 1985: 21; Wang and Zheng, 1995: 5.

Wing expanse: 15.0–16.0 mm.

Material examined: 3 „„, 7 ♀♀, Shuangjiang (23 ° 29 9 N, 99 ° 49 9 E), Yunnan Province, 1–4 June 1980, coll. Fen Liu.

Distribution: China (Yunnan), Thailand, Burma.

Remarks: Periacma orthiodes is characterized by both uncus and gnathos roundly dilated distally. It is closely related to P. kanchanaburiensis Moriuti et al. , but distinguishable from it by the gnathos anteriorly blunt and the aedeagus with only one short small spine near apex.

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, „.