New records of five species of Lepidoptera (Cosmopterigidae, Tortricidae, Pyralidae and Erebidae) from sand-dunes along the western coastline of Korea Author Sohn, Jae-Cheon text Journal of Species Research 2022 11 1 61 66 journal article 10.12651/JSR.2022.11.1.061 2713-8615 13140191 Cosmopterix flavidella Kuroko, 2011 남ḏḅ날fflä나ḏ ( Figs. 1A , 2C ) Cosmopterix flavidella Kuroko, 2011: 107 . Type locality: Japan , Kyushu , Iriomote Isl. , Uehara . Description ( Fig. 1A ). Head with vertex dark grayish brown, with white streaks medially and laterally; labial palpus dark brown dorsally, white ventrally; antenna as long as forewing, pale grayish brown, partly intermixed with dark-brown scales. Thorax with tegula dark grayish brown, with white streaks laterally; mesonotum dark grayish brown, with white streak medially. Forewing length 3.4 - 5.1 mm , dark grayish brown, with two short and three long, transverse, white streaks in basal 2/3; discal spot small, black; distal 1/3 pale orange with two silvery-white longitudinal fasciae medially and along posterior margin; terminal line transverse, white; cilia pale grayish brown. Hindwing and cilia pale grayish brown. Male genitalia ( Fig. 2C ) with right arm of uncus elongate, dilated in shoe-shape apically; anellus lobe narrow in basal half, broad, falcate and setose in distal half; valva broadened to apex, short-setose; costa upcurved in distal 1/3; phallus stout, broadened to base, open dorsally. Material examined. 6♂ , Chungcheongnam-do , Seocheongun , Seo-myeon , Sinhap-ri sand-dunes ( N36°08 ʹ 47.6 ʺ , E126°32 ʹ 33.6 ʺ ), 20 August 2020 ( JC Sohn ), GJUE & NIBR . 2♂ , Jeollanam-do , Sinan-gun , Is. Jaeundo , Jaeun-myeon , Gojang-ri , Oegi sand-dunes ( N34°53 ʹ 44.5 ʺ , E126°00 ʹ 27.4 ʺ ), 16 July 2017 ( JC Sohn ), [ GSN ] SJC-1254, GJUE . Distribution. Korea (new record), Japan , Taiwan , China ( Jiangxi ). Host plants. Poaceae - Saccharum kanashiroi (Ohwi) Ohwi ( Kuroko, 2011 ) . Remarks. Kuroko (2015) assigned this species to the coryphaea species-group in the genus Cosmopterix . This species seems to occur in various types of habitats including sand-dunes.