Pyrausta sanguinalis, the scarce crimson and gold, is a moth of the family Crambidae.

The species was first described by Carl Linnaeus in his 1767 12th edition of Systema Naturae.

The forewings are brownish ochreous, basal and dorsal areas deep yellow, disc yellow mixed; markings purple-crimson; a streak along costa to 3/4; a fascia before middle; an oblong discal spot, connected above with costal streak, and sometimes beneath with preceding fascia; a subterminal fascia.

The larva is greenish-grey, reddish tinged; subdorsal and spiracular lines whitish; head brown.

[1] The moth flies from June to August depending on the location.