| Diadem (one synonym : Papilio diocippus Cramer, 1775) NYMPHALINAE, NYMPHALIDAE, PAPILIONOIDEA | (donherbisonevans@yahoo.com) and Stella Crossley |

(Photo: courtesy of
Simon Ong,
Douglas-Daly, Northern Territory)
The Caterpillars of this species are black and covered in translucent branched hairs, except that the head is brown, and the head and thorax have brown branched hairs.

The caterpillars feed on a variety of plants, including:
![]() male, upper surface | ![]() female, upper surface |
The adult butterflies are dimorphic. The males and females have entirely different colours and patterns.
![]() Christmas Island, 1987 | ![]() French Territory of the Afars and the Issas, 1975 |
The males are black with large white patches surrounded by iridescent purple. Their wingspan extends to about 6 cms.
![]() Cape Verde, 1982 | ![]() Cuba, 1991 | ![]() Burkina Faso, 1984 |
The female butterflies are orange with wide black borders around the wings, and a white patch and a variable number of white spots in the black tips of the forewings. Their wingspan can extend to 7 cms.

The undersides of the males are brown with a broad white band across each wing.
![]() Cocos_(Keeling)_Islands, 1982 | ![]() Ascension Island, 1987, |
The undersides of the females are similar to their upper surfaces.

The species has been found around the whole equatorial belt: Africa, south-east Asia, the Pacific Islands, North and South America, and the West Indies, including :
as well as the northern half of Australia, including
In the Americas and the West Indies, it is thought that the species was introduced, perhaps accidentally, from Africa in slave ships.
![]() Grenada-Grenadines, 1990 | ![]() Mauritius, 1991 | ![]() Anguilla, 1971 |
Further reading :
Michael F. Braby,
Butterflies of Australia,
CSIRO Publishing, Melbourne 2000, vol. 2, pp. 569-570.
Pieter Cramer,
Description de Papillons Exotiques,
Uitlandsche kapellen voorkomende in de drie waereld-deelen,
Amsterdam Baalde, Volume 1 (1775), p. 44, and also
Plate 28, figs. B, C..
Carl Linnaeus,
Museum Siae Riae Mitis Ludovicae Ulricae Reginae,
1764, p. 264, No. 83.
![]() caterpillar | ![]() butterflies | ![]() Lepidoptera | ![]() moths | ![]() caterpillar |
(updated 18 November 2009, 6 February 2026)