Periphanes is a monotypic moth genus of the family Noctuidae first described by Jacob Hübner in 1821.

[1] Its only species, Periphanes delphinii, the pease blossom, was first described by Carl Linnaeus in his 1758 10th edition of Systema Naturae.

Pair of spines on tibia stout and more crooked, where the inner very long.

Male forewing purplish pink, paler along outer margin and fringe, deepest in basal area and beyond middle; basal area edged by a pale and pink trilobed line; orbicular stigma ochreous, obscure; reniform large, irregular, edged with brownish purple, attached to the median shade, which with the double postmedian line and space beyond forms an irregular darker band; hindwing dirty ochreous, with fuscous veins and border, the extreme margin pink.

The larvae primarily feed on Delphinium consolida and Aconitum napellus.