Imma mormopa is a moth in the family Immidae. It was described by Edward Meyrick in 1910. It is found in on Ambon Island in the Moluccas of Indonesia.[1]
The wingspan is 14–15 mm. The forewings are purple blackish with four thick transverse suffused whitish-fuscous streaks, the first two straight, the third curved, sharply indented towards the dorsum, the fourth from two-thirds of the costa to the tornus, curved and narrower. There is a whitish-fuscous discal spot between the second and the third. The hindwings are dark fuscous with straight whitish-fuscous postmedian and subterminal transverse streaks, the former suffused with white on the upper half.[2]