Pyrgotis arcuata is a species of moth of the family Tortricidae. It is found in New Zealand. The wingspan is 15–16 mm. The forewings are whitish, mixed with pale ochreous and with reddish-ochreous fasciae, which become blackish on the margins. The hindwings are whitish grey, suffused and spotted with pale fuscous. The larvae feed on Dacrycarpus dacrydioides.