Parelliptis librata is a moth in the Lecithoceridae family. It was described by Meyrick in 1910. It is found in Indonesia (Java). The wingspan is about 24 mm. The forewings are whitish-ochreous, suffusedly and irregularly irrorated with fuscous. The discal stigmata are round and black and there is an undefined streak of dark fuscous irroration running from the second discal stigma to the apex. The hindwings are whitish-fuscous, rather darker towards the apex.