Periacma siamensis Moriuti, Saito & Lewvanich, 1985

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 : 2377-2378

publication ID	https://doi.org/10.1080/00222930601088123
DOI	https://doi.org/10.5281/zenodo.5231891
persistent identifier	https://treatment.plazi.org/id/CC42C16D-FFFD-FFA8-FEB5-F9A830C0FDA4
treatment provided by	Felipe (2021-08-20 12:05:41, last updated by Plazi 2023-11-04 05:01:16)
scientific name	Periacma siamensis Moriuti, Saito & Lewvanich, 1985
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( Figure 5 View Figures 1–11 )

Periacma siamensis Moriuti, Saito & Lewvanich, 1985: 25 ; Wang and Li, 2002: 570.

Wing expanse: 13.0–15.0 mm.

Material examined: 3 „„, 1 ♀, Chishui (28 ° 34 9 N, 105 ° 42 9 E), Guizhou Province, 29–30 May 2000, coll. Yanli Du GoogleMaps ; 4 „„, 4 ♀♀, Xishui (28 ° 19 9 N, 106 ° 12 9 E), Guizhou Province, 31 May–3 June 2000, coll. Yanli Du GoogleMaps ; 4 „„, 3 ♀♀, Shangsi (22 ° 09 9 N, 107 ° 58 9 E), Guangxi Zhuangzu Autonomous Region , 550 m, 3 April 2002, coll. Shulian Hao & Huaijun Xue GoogleMaps ; 1 „, Jinxiu (28 ° 34 9 N, 105 ° 42 9 E), 550 m, 13 April 2002, coll. Shulian Hao & Huaijun Xue GoogleMaps ; 14 „„, 6 ♀♀, Xinhua (27 ° 44 9 N, 111 ° 18 9 E), Hunan Province, 3–8 August 2004, coll. Yunli Xiao GoogleMaps ; 2 „„, 4 ♀♀, Xinyi (22 ° 21 9 N, 110 ° 56 9 E), Guangdong Province, 7–13 August 2003 GoogleMaps .

Distribution: China (Guangxi, Guizhou), Thailand.

Remarks: This species resembles P. orthiodes , but can be distinguished from the latter by the male genitalia with the gnathos slightly concave at middle of the anterior margin and the sacculus apically rounded.

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, „.