Review of the genus Argyresthia Hübner, [1825] (Lepidoptera: Yponomeutoidea: Argyresthiidae) from China, with descriptions of forty-three new species Author Liu, Tengteng Author Wang, Shuxia Author Li, Houhun text Zootaxa 2017 4292 1 1 135 journal article 32781 10.5281/zenodo.827746 248cfde9-84c8-4101-887c-08f27ad5afac 1175-5326 827746 48A417CD-CA76-4CA1-8E2C-93DE2E681CCC 33. Argyresthia ( Argyresthia ) scalprata , sp. nov. ( Figs. 42 , 111 , 167 , 223 ) Description. Adult ( Fig. 42 ) wingspan 12.0 mm. Head grayish white. Labial palpus white, mixed with gray laterally. Antenna with scape white, pecten yellowish fuscous; flagellum grayish white, ringed with blackish fuscous. Foreleg with femur gray on inner surface, tibia and tarsus blackish fuscous, remainder yellowish white; mid- and hindleg mostly yellowish white, hind tarsus gray on each tarsomere distally. Thorax grayish white; tegula brownish fuscous. Forewing ratio 4.0; ground color yellowish white; costa with several black dots on basal 3/10, black spot at middle largest, two or three black transverse striae on distal 3/10; blackish-fuscous spot before middle of cell, blackish-fuscous dot at lower angle of cell and at tornus, the latter larger; blackish-fuscous streak below basal 1/3 of fold; dorsal fascia from before middle of wing blackish fuscous, reaching distal 2/5 of costa; cilia yellowish white mixed with black, grayish white near tornus. Hindwing and cilia gray. Male genitalia ( Figs. 111 , 167 , 223 ): Tuba analis shorter than width of valva. Socius covered with 15–16 scale-like setae, bearing two setae posteriorly ( Fig. 223 ). Gnathos not inflated distally, without long thick setae apically. Valva knife-shaped, with basal half uniform in width, distal half triangular, narrowly rounded at apex; a row of thick setae in disc near ventral margin to distal part. Saccus broad, uniform in width, as long as width of valva, as wide as 3/5 width of valva, rounded apically. Phallus arched, 4.5 times as long as width of valva ( Fig. 167 ). Second sternite with about eight micro-setae in each row; eighth sternite Y-shaped. Coremata present. Female unknown. Type material. CHINA : Holotype , Ƌ, Wolong ( 30.34°N , 103.42°E ), Sichuan Province , 2008 m , 25.viii.2005 , leg. Haili Yu , slide no. LTT12134. Distribution. China ( Sichuan ). Diagnosis. The male genitalia of Argyresthia ( A. ) scalprata are unique among all congeners in having a knifeshaped valva and a broad saccus. This new species resembles A . ( A .) ivella (Haworth, 1828) in the shape of the saccus, but it can be separated easily by the distinct shape of the valva. Etymology. The specific name is derived from the Latin scalpratus , meaning knife-shaped, referring to the knife-shaped valva in the male genitalia.