Periacma zhouzhiensis Wang & Zheng, 1995

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 : 2379-2380

Periacma zhouzhiensis Wang & Zheng, 1995

( Figures 10 and 39 )

Periacma zhouzhiensis Wang & Zheng, 1995: 9 .

Wing expanse: 14.0–16.0 mm.

Female genitalia ( Figure 39 ): Papilla analis caudally rounded. Apophysis posterioris thicker and longer than apophysis anterioris. Lamella postvaginalis wrinkly, caudally with median 1/3 protruded backward. Ostium bursae small. Antrum anteriorly produced into two triangular processes; caudal margin rounded, concave at middle. Ductus bursae a little longer than corpus bursae. Corpus bursae elliptical; signum a minute thorn.

Material examined: Holotype: „, Zhouzhi (34 ° 10 9 N, 108 ° 12 9 E), Shaanxi Province, 1000 m, 13 July 1987, coll. Houhun Li.

Additional material: 3 „„, Neixiang (33 ° 02 9 N, 111 ° 50 9 E), Henan Province, 1350 m, 13 July 1998, coll. Houhun Li ; 2 „„, Xixia (33 ° 18 9 N, 111 ° 29 9 E), Henan Province, 890 m, 16–17 July 1998, coll. Houhun Li ; 1 „, Lushi (34 ° 03 9 N, 111 ° 02 9 E), Henan Province, 650 m, 12 July 1998, coll. Dandan Zhang ; 1 „, 2 ♀♀, Dengfeng (34 ° 27 9 N, 113.02 ° E), Henan Province, 700–800 m, 9–15 June 2000, coll. Haili Yu; 1 „, Jiyuan (35 ° 04 9 N, 112 ° 35 9 E), Henan Province, 700 m, 7 June 2000, coll. Haili Yu ; 2 „„, 4 ♀♀, Huixian (35 ° 27 9 N, 113 ° 47 9 E), Henan Province, 780 m, 12–13 July 2002, coll. Xinpu Wang ; 2 „„, Songxian (34 ° 28 9 N, 112 ° 55 9 E), Henan Province, 580 m, 18–20 July 2002, coll. Xinpu Wang ; 1 „, 1 ♀, Shennongjia (31 ° 45 9 N, 110 ° 40 9 E), Hubei Province, 950 m, 3–4 July 1980, collector unknown; 1 „, 1 ♀, Shennongjia , Hubei Province, 1100–1200 m, 17–19 July 2003 .

Distribution: China (Henan, Hubei, Shaanxi).

Remarks: This species is distinguished by the gnathos more or less T-shaped, the valva with distal two-thirds nearly parallel-sided and the dorso-proximal process distally bulbous in the male genitalia.

The female of this species is described for the first time.

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, „.

Figures 38–43. Female genitalia of Periacma spp. (38) P. iodesma vietnamica Lvovsky; (39) P. zhouzhiensis Wang & Zheng; (40) P. binchuanensis Wang & Zheng; (41) P. equivalvata Wang, Li & Liu; (42) P. plumbea Meyrick; (43) P. leyensis Wang & Li, sp. n.; (44) P. latizona Wang & Li, sp. n.; (45) P. spinivalvula Wang & Li, sp. n.