L. narynensis Prout

(Figs. 24, 50; Map 5)

Lithostege narynensis Prout, 1938: 239, pl. 18: h. Syntypes 9 3 Ƥ, BMNH (examined). Type locality: Narine, Semirechgensee (Kyrgyzstan); Almatinka, Valley Malaya River (Turkmenistan).

Lithostege narynensis: Viidalepp, 1996: 47; Parsons et al., 1999: 547.

Material examined. Type material: Syntypes 9 (3/Ƥ): ‘Turkestan Orientale, Province Semirechgensee Fort Narine G. S. Akulini 1907’, ‘ex Oberthur Coll. Brit. Mus. 1927–3’, ‘ Lithostege narynensis Prout’; in BMNH. Additional material: 8 3, 3 Ƥ: 4 3: 3 Ƥ: same data as type material, gen prep. 3 1055/2011 H. R.; in ZFMK; 1 3: Kasakhstan, Terskei Alatau Mts., Samarkand, 12.- 13.07.1983, U. Jürivete leg.; 1 3: Kasakhstan, Alma-Ata, 5– 10.07.1983, U. Jürivete leg.; 1 3: Kyrgyzstan, Terskei Alatau Mts., Turgen, 24– 25.07.1987, U. Jürivete leg., gen. prep. 7675, J.V.; 1 3: Kyrgyzstan, Tsholpon-Ata, 18.- 20.07.1983, U. Jürivete leg.; all in IZBE. Preparations of genitalia: 2 3.

Description & Diagnosis. Wingspan 25–28 mm. White moths, forewing with a delicate, silvery grey shine while fresh, hindwings lighter; larger than L. ancyrana, forewing broader, much lighter and more whitish below, but also with a slight brownish tinge on forewing underside (Fig. 24). Male genitalia (Fig. 50) with the valve rather narrow, dorsal margin concave, sclerotized costa reaching one-half valve length, its apical projection thorn-like, diverging from valve margin, acutely pointed; harpe short, distally rounded, its dorsal arm strong, terminally straight and spined over a long distance, shorter than in L. farinata, griseata, ancyrana, luigi and palaestinensi s, a little longer than that of L. coassata . Farinata and coassata are similar in having a free apical process to the costa.

Bionomics. Specimens studied are collected in July only.

Distribution. Northern and central Tian-Shan in S Kazakhstan and NE Kyrgyzstan (Map 5).

MAP 5. farinata species group-b: L. coassata; L. ancyrana; L. narynensis .