Bactrianoscythris satyrella ( Staudinger, 1880 ) Staudinger, 1880

D’Entrèves, Pietro Passerin & Roggero, Angela, 2009, Eastern Palaearctic Scythrididae (Lepidoptera: Gelechioidea): description of a new genus and some new species, Zootaxa 2263, pp. 1-20 : 4

Bactrianoscythris satyrella ( Staudinger, 1880) comb. nov.

( Figs 2 A, 2B, 2C, 2D)

Butalis satyrella Staudinger, 1880: 404 Butalis matronella Staudinger, 1880: 405 Butalis vitilella Christoph, 1885: 163

Type material. Holotype 3 ( MNHB), 161, Schahrud, Origin, satyrella Stgr Genit-Luters no. 206, Zool Mus Berlin. Paratypes 1 Ƥ ( MNHB), “Hadschgabad, Coll. Led., Origin, matronella Stgr ”[genital slide 1366 PdE]; 1 Ƥ ( ZISP), “Nuchur, 21.vi, vitillella.

Additional material examined. 1 Ƥ ( SMNK) " Turkmenistan, Iol-Dere, 15 km NO Kara-Kala, 12.vi.1953, leg. V. Kuznetzov" [genital slide 464 PdE]; 1 3 ( SMNK) “ Turkmenistan, Iol-Dere, 15 km NO Kara-Kala, 12.vi.1953, leg. V. Kuznetzov [genital slide 373 PdE].

Diagnosis. This species is characterized by both external appareance and genitalia shape well differentiated from the other species (Table 2). It is larger than B. drepanella , and darker than all the other Bactrianoscythris species. The valvae have apices enlarged and triangular, and S8 is bifid with apices short and rounded. These characters can be employed to unequivocally identify the species.

Description. Wingspan 17-19 mm. For the detailed description of external features, see Bengtsson (1997: 62)

Male genitalia. Uncus small, quadrangular, inward concave, truncated at apex; gnathos proximal part asymmetrical, distal part triangular, sharpened at apex. Tegumen triangular, slender. Valvae slightly asymmetrical in distal part, inwardly curved, narrow. Vinculum elongate, blade-like, half as long as valvae. Juxta conical, pointed apex upward turned. Phallus longer than valvae, bisinuate, narrowed to apex, which is downwardly turned. Bifid S8 narrowed in middle, with apices short and rounded. T8 unmodified, membranous.

Variation. Size and external appareance are similar in both sexes.

Remarks. As previously pointed ( Passerin d’Entrèves & Roggero 2008), Bengtsson (1997) mistook the gnathos for the uncus. After a careful examination of the male genitalia of all new species, we redescribed the male genitalia of satyrella .

Figures

FIGURE 2. Bactrianoscythris satyrella Staudinger, male genitalia. A—Juxta- valvae-vinculum complex. B—VIII Sternite. C—Uncus-gnathos-tegumen complex. D—Phallus.