Scoparia petrina

Scoparia petrina is a moth of the Crambidae family. It was described by Meyrick in 1885. It is found in New Zealand.

The wingspan is 30–31 mm for males and 24 mm for females. The forewings are fuscous-grey or dark grey, irrorated with white. There is a very small dark fuscous triangular spot at the base of the costa. The first line is whitish, posteriorly margined with dark fuscous. The second line is whitish, anteriorly dark-margined and with blackish dots on the veins. The terminal area is somewhat irrorated with white, except for a broad suffused subterminal line. The hindwings are very pale whitish-ochreous with a greyish apex in females. Adults have been recorded on wing in January and February.