Deltoplastis ovatella is a moth in the family Lecithoceridae. It is endemic to Taiwan. The type series was collected from Kuangwu Forest Station (Hsinchu County) at above sea level. Description The wingspan is 15–17 mm. The forewings are relatively narrow with a small, elongated costal patch before the middle. The hindwings are pale grey and broader than the forewings. Etymology The name is derived from the oval-shaped median fascia on the forewings. References Deltoplastis Moths of Taiwan Endemic fauna of Taiwan Moths described in 2001