Periacma bifurcata Wang & Li, 2002

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 : 2385-2387

Periacma bifurcata Wang & Li, 2002

( Figure 26 )

Periacma bifurcata Wang, Li & Liu, 2002: 568 .

Wing expanse: 13.5 mm.

Material examined: Holotype: „, Jiangkou (27 ° 41 9 N, 108 ° 50 9 E), Guizhou Province, 600 m, 28 July 2001, coll. Houhun Li and Xinpu Wang. Paratype: 1 „, Mt. Fanjing (27 ° 55 9 N, 108 ° 41 9 E), Guizhou Province, 2100 m, 31 July 2001, same collector as holotype.

Distribution: China (Guizhou).

Remarks: This species can be separated from other species of the genus by its gnathos being semi-annular and its succulus with the distal process bifurcate.

Periacma immaculata Wang & Li, 2002

( Figure 27 )

Periacma immaculata Wang, Li & Liu, 2002: 569 .

Wing expanse: 17.0 mm.

Material examined: Holotype: „, Xiangcheng (28 ° 55 9 N, 99 ° 47 9 E), Sichuan Province, 2800 m, 13 July 2001, coll. Houhun Li and Xinpu Wang. Paratype: 1 „, Batang (30 ° 00 9 N, 99 ° 09 9 E), Sichuan Province, 2500 m, 11 July 2001, same collector as holotype.

Distribution: China (Sichuan).

Remarks: This species is characterized by the uniform orange color of the fore wing lacking any maculation.

Figures

Figures 24–32. Adults of Periacma spp. (24) P. weishana Wang & Li, „; (25) P. kangdingensis Wang & Li, ♀; (26) P. bifurcata Wang & Li, „; (27) P. immaculata Wang & Li, „; (28) P. plumbea Meyrick, „; (29) P. leyensis Wang & Li, sp. n., „; (30) P. latizona Wang & Li, sp. n., „; (31) P. spinivalvula Wang & Li, sp. n., „; (32) P. rectignatha Wang & Li, sp. n., „.