Vanessa dimorphica (northern short-tailed admiral or dimorphic admiral) is a butterfly of the family Nymphalidae.

Has two or three flight periods with peak between April and May.

[1] The larvae feed on Laportia peduncularis and Drogueria and Carduus species.

[1] This species was traditionally considered to be a member of the genus Antanartia, but recent molecular analyses reveals that it is more closely related to members of the genus Vanessa.

This Nymphalinae article is a stub.