The Erebus Latreille, 1810 populations of Lanyu and Green Island are confirmed to represent a new recorded species, Erebus crepuscularis (Linnaeus, 1758) in the present study. Specimens of both sexes and their genitalia are illustrated and compared with that of the widely distributed Oriental species Erebus ephesperis (Hübner, 1827).
蘭嶼與綠島產目裳蛾屬(Erebus Latreille, 1810)族群於本研究證實為新紀錄種目裳蛾(E. crepuscularis(Linnaeus, 1758))。其雌雄標本與生殖器圖示,並與東方區廣布種(E. ephesperis(Hübner, 1827))作比較。