Delias echidna is a butterfly in the family Pieridae. It was described by William Chapman Hewitson in 1861. It is found in the Indomalayan realm (Serang) and the Australasian realm (Ambon); that is it is found on both sides of the Wallace line.Seitz, A., 1912-1927. Die Indo-Australien Tagfalter Grossschmetterlinge Erde 9
