a large strikingly marked butterfly of a group that includes the monarch (milkweed) and plain tiger, found chiefly in the tropics of Africa and East Asia

the daughters of Danaus, king of Argos, who were compelled to marry the sons of his brother Aegyptus but murdered their husbands on the wedding night, except for one, Hypermnestra, who helped her husband to escape. The remaining Danaids were punished in Hades by being set to fill a leaky jar with water