Petula phalarata is a species of moths belonging to the family Tineidae, described from Rapa Iti. It is currently the only species in the genus Petula.

The wingspan is . The forewing ground color is fuscous black, on the middle of the dorsum with a cream buff spot (in females, the spot is suffused, larger, and not as sharply defined as in males), sometimes extended as a narrow cream buff line on the dorsal edge. At the end of the cell is an ill-defined black spot. The hindwings are grey, paler basally, with a brassy hue.Gates-Clarke, 1971. Lepidoptera of Rapa island.

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