Ypsolopha altissimella (Chrétien, 1916)

(Figs 32, 82, 132, 178)

Cerostoma altissimella Chrétien, 1916: 311 .

Ypsolopha altissimella (Chrétien): Beccaloni et al. 2003 [accessed 9 January 2012]. Type locality: Tunisia.

Description. Adult (Figs 32): Wing expanse 23.0 mm. Wing venation as illustrated (Fig. 82).

Male genitalia (Fig. 132): Uncus triangular. Socius short, widely spaced, sharp at apex. Ventral plate of gnathos large, long ovate, densely spinous. Valva elongate ovate, protrudent on basal half of ventral margin. Saccus nearly as long as socius, broadest at basal 1/4, narrowed to pointed apex. Anellus less than 1/5 length of phallus, somewhat broad, sparsely spinous. Phallus 1.6 times length of valva, straight, narrowed from inception of ductus ejacuiatorius to apex, covered with small spines on surface of distal 2/3; coecum about 1/4 length of phallus; cornuti composed of two slender spines, 1/3 length of phallus.

Female genitalia (Fig. 178): Intersegmental membrane between papilla analis and 8th abdominal segment 3/10 length of abdomen. Apophyses posteriores about twice length of apophyses anteriores. Lamella postvaginalis Vshaped. Antrum short, parallel-sided. Ductus bursae about 1.3 times length of corpus bursae, twisted near corpus bursae. Corpus bursae ovate; signum about 1/3 length of corpus bursae, ridged at anterior 1/3, anterior half rounded, posterior half narrow and parallel-sided.

Material examined. 1 ♂, Tacheng (46°46′ N, 82°59′ E), Xinjiang Uygur Autonomous Region, 17.viii.1990, coll. Jinfu Li; 1 ♀, Shirengou, Miquan County (43°58′ N, 87°41′ E), Xinjiang Uygur Autonomous Region, 1211 m, 11.viii.2007, coll. Xinpu Wang et al.

Distribution. China (Xingjiang), Tunisia.

Diagnosis. This species is characterized by having a densely spinous phallus in the male genitalia, and a single ridged signum with anterior half rounded in the female genitalia.

Remarks. This species is newly recorded for China, and the male and female genitalia are described for the first time.