(Figs. 3, 4, 14, 20, 25)

Araeopteron fragmenta Inoue, 1965, Tinea, 7: 81, Pl. 15, fig. 1 A, 1 B (imago), text fig. 1, 2 (male genitalia). TL: Japan, Kanagawa Pref., Fujisawa [BMNH, London].

Sugi, 1982, I: 807, II: 381, pl. 196, fig. 74 (imago); Poole, 1989: 115; Kononenko & Han, 2007: 31, Pl. 3, fig. 7 (male genitalia), Pl. 178, fig. 7 (female genitalia).

Material examined. RUSSIA: 1 female, Primorye terr, Vladivostok, Okeanskaya, 3.viii. 1950 (A. Zaguljaev); 1 male, De-Friz Peninsula, near Vladivostok, 15.vii. 1957 (M.A. Omelko); 1 male, Ussuriisky reg., 18 km SE Ussurijsk, Gornotayezhnoe, 14.vii. 1999 (M.M. Omelko); 2 males, same locality, 250 m, 17–20.vii. 2002 (D. Nilsson & K. Larsen); 1 male, Primorye territory, Ussuriisky region, Krounovka, 14.vii. 1999 (S. Sinev); 1 male, Khasan, 14.vii. 1959 (A. Zemlina); 1 male, Khasansky reg., Andreevka, 26.vii. 1985 (S. Sinev); Colls. IBSS, ZISP and D. Nilsson.

SOUTH KOREA: 1 female, Korea GG, Hanam-shi, Mt. Geomdah, 1.viii. 2000 (Lee, Kim and Yu), coll. CIS.

CHINA: 1 male, Hoengshan, Prov. Hunan, 18.v. 1933 (H. Höne); 1 male, West Tien-mu-shan, Prov. Chekiang. 9.vi. 1935 (H. Höne), coll. ZFMK.

Diagnosis. Adult differs from other East Asiatic species by the presence of a broad oblique whitish band and promiment small black discal spots on forewing and hindwing. The male genitalia differs by having a short uncus, narrow membranous part of valva and absence of cornuti in vesica, and the carina of the aedeagus finely scobinated. The female differs by having a long and broad, slightly sclerotised ductus bursae and the shuttlecock-shaped signum.

Description. Adult (Figs. 3, 4). Wingspan 11–12 mm. Antennae of both sexes without lamellae, with scales. Labial palps strongly upturned, 3 rd segment 2.0 times as long as 2 nd. Head small, eyes large. Head, patagia, tegulae, thorax, and ground colour of narrow forewing brown; forewing and hindwing with oblique white band; forewing with black dots at costa; hindwing with two blackish brown areas at both sides of white band; both wings with prominent discal spot. All crosslines present, often irregular or interrupted; terminal line prominently indicated by black intervein spots, those of hindwing in almost unbroken line. Underside grey and white, reflecting upper side. Colour of abdomen brown anteriorly, then black to brown and black tip, these patterns reflect the colour of hindwing lines in resting position, where the forewings are slightly spread, showing half of hindwing. Male genitalia (Fig. 14). Uncus short, spine-like; membranous part of valva narrow, broadest medially, there rounded; sacculus narrowest at middle, club-like apically; clasper fused to sacculus, with one small triangular ampulla. Aedeagus relatively short and wide, with many small carina spines; vesica without cornuti. Female genitalia (Figs. 20, 25). Antrum large, bowl-like, posteriorly straight; ductus bursae broad and long, with sclerites; corpus bursae round, with shuttlecock-shaped signum semiglobular posteriorly, with row of long spines along edge, directed anteriorly.

Distribution. Russia, south Primorye terr. (Fig. 35), South Korea, China (Prov. Hunan), Japan (Hokkaido, Honshu, Shikoku, Kyushu). First reported for continental Asia from South Korea by Kononenko and Han (2007).