Cyana perornata (Walker, 1854)

Bayarsaikhan, Ulziijargal & Bae, Yang-Seop, 2016, A review of the genus Cyana Walker, 1854 (Lepidoptera, Erebidae, Arctiinae) from Cambodia, with description of new species, Zootaxa 4114 (4), pp. 447-463 : 452

Cyana perornata (Walker, 1854)

(Pl. 1: 4a, 4b, 4c; 3: 4; 5: 4)

Bizone perornata Walker, 1854 , List. Spec. Lepid. Insects Colln. Br. Mus. 2: 548. TL: NE Bangladesh (Silhet). Cyana perornata: Hampson, 1894 , Moths. Ind. 2: 57; Fang, 1992, 9: 258; Kishida, 1994, 14 (1): 70, pl. 79: 18, 19; Fang, 2000, 19: 163, pl. 4: 18; Holloway, 2001, 7: 332, pl. 1: 135, 140; Černy & Pinratana, 2009, 6: 51, pl. 10: 103; Bucsek, 2012: 98, pl. 17: 244.

Chionaema perornata: Hampson, 1900 , Cat. Lep. Phal. Br. Mus. 2: 308; Draudt, 1914, 10: 171, pl. 16: i; Holloway, 1976: 3; Fang, 1982, 2: 203, fig. 1491.

Diagnosis. Wingspan ♂ 37–44 mm, ♀ 48–53 mm. This species is the largest of all Cyana species which occur in Cambodia. C. perornata differs from congeners by having the forewing of both sexes with dark edged crimson lines; one dark, elliptical discoidal spot; terminal line slightly paler red, zig-zag shaped; forewing of some males with dark or pale red band before apex; in male genitalia, valvae bowling pin-shaped, with more rectangular apex, upper angle of apex rounded, lower angle of apex angled; saccular process tapered, and curved to acute apex, almost the same length of valvae; vesica with scobination; in female genitalia, corpus bursae globular, with one large, elliptical and one small, rounded signa.

Material examined. 1♂, 3♀, Cambodia, Cardamom (N11˚58′47″, E103˚22′22″), 28–29.VI.2011 (Y.S. Bae et al.), Gen. Slide No. INU-1067, INU-1069; 1♂, Cambodia, Koh Kong (N11˚35′04″, E103˚13′21″), 22.II.2012 (Y.S. Bae et al.), Gen. Slide No. INU-1068; 3♂, Cambodia, Koh Kong (N11˚41′44.9″, E103˚06′51.8″), 25.XII.2014 (Y.S. Bae et al.); 1♂, Cambodia, Samkos (N12˚12′40.43″, E102˚53′42.38″), 20.VII.2012 (Y.S. Bae et al.), Gen. Slide No. INU-1066; 1♂, Cambodia, Seima (N12˚18′29″, E107˚04′54.80″), 11.I.2013 (I) (Y.S. Bae et al.).

Distribution. Cambodia (Cardamom, Koh Kong, Samkos, Seima), N.E. Himalaya, Nepal, Sundaland (Borneo), Thailand, peninsular Malaysia, Vietnam, China.

Remarks. This species was reported from Cambodia by Bae et al. (2012).