Periacma iodesma Meyrick, 1910

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 : 2377

Periacma iodesma Meyrick, 1910

( Figure 3 )

Periacma iodesma Meyrick, 1910: 161 ; Caradja and Meyrick, 1935: 81; Gaede, 1939: 381; Clarke, 1963: 357.

Wing expanse: 16.0–18.0 mm.

Material examined: 2 „„, Hefei (31 ° 52 9 N, 117 ° 17 9 E), Anhui Province, 15 August 1978 and 11 June 1979, collector unknown .

Distribution: China (Anhui, Hunan, Jiangsu, Shanghai, Sichuan), India, Vietnam.

Remarks: Periacma iodesma is closely allied to P. orthiodes Meyrick both superficially and in genitalia. It can be differentiated from the latter by the uncus with the caudal margin nearly straight, the gnathos with the anterior margin bluntly rounded, and the aedeagus with more than two tooth-like spines in the male 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, „.