Niphonympha vera Moriuti 1963

Niphonympha vera Moriuti, 1963 Figs 13 –17 Nyphonympha vera Moriuti, 1963: 215. MATERIAL EXAMINED. Russia: Primorskii Krai, Ussuriiskii distr., Ussuriiskii Natural Reserve, 42 km SE of Ussuriisk, at the mouth of Mironov spring, mountain coniferous-broadleaf forests, 43°38'42" N 132°26'42" E, h = 400 m, 18.VII 1970, 1♀, [D. Kononov leg.] (GS 337 AT, BC FSCB). DIAGNOSIS. Wingspan 18 mm. forewing length 8.5 mm. Head and thorax white, labial palpi white, with scattered yellowish scales (Fig. 4). Forewings white with scattered light yellowish-brown scales, which darker at the apex and denser in the distal half along the costal margin; fringe mostly white, yellowish brown at the apex (Fig. 3). Hindwings yellowish brown; fringe mostly white, with yellowish-brown base. Abdominal segments with zones of short setae on sternal side (Fig. 5). Female genitalia with postvaginal plate consisting of two more or less triangular sclerites formed by widening of ventral arms of anterior apophyses, with long setae on posterior margin (Fig. 14). Dorsal arms of anterior apophyses merged at the middle into ribbon–like sclerotisation stretched along posterior margin of 8th segment dorsally. Posterior margin of postvaginal plate with deep goblet-shaped notch. Antrum very short, sclerotised, with microtrichia on inner surface (Fig. 15). Ductus bursae sclerotised for 5/7 of its length and with small membranous distal area, narrowed beyond antrum and widened before corpus bursae, more or less the same width along the remaining length (Fig. 13). Corpus bursae rounded and membranous, with a signum in the caudal part; signum as longitudinally elongated plate of irregular shape – triangular in anterior part and rounded posteriorly, with a transverse groove at the middle bearing two rows of teeth, anterior row of which with 6 larger teeth (Figs 16, 17). HOST PLANT. Unknown. DISTRIBUTION. Russia (south of Far East: Primorskii Krai), first record; South Korea; Japan (Honshu, Shikoku, Kyushu). The research was carried out within the state assignment of Ministry of Science and Higher Education of the Russian Federation (themes No. 124012400285-7).