Metathrinca parabola is a moth in the family Xyloryctidae.

The forewings are silvery white with the costal edge dark fuscous towards the base and the dorsal area tinged with ochreous.

There is a submarginal series of blackish dots around the apex and termen, that between veins 5 and 6 is absent, one on each side of this minute, one above the apex and two nearest the tornus large.

The hindwings are ochreous white.

This article on a moth of the family Xyloryctidae is a stub.