The males are generally rather redder than the females.[3] The wingspan of the male is about 50 mm and the female 60 mm. Body bright yellow thickly irrorated with crimson. Forewings with indistinct antemedial, medial and submarginal crimson bands. Hindwings with medial and submarginal bands. Ventral side is with more prominent crimson bands.[4]
^Herbison-Evans, Don & Crossley, Stella (4 February 2017). "Eumelea rosalia (Stoll, 1781)". Australian Caterpillars and their Butterflies and Moths. Retrieved 26 July 2018.