DANAINAE, NYMPHALIDAE, PAPILIONOIDEA
(Photo: courtesy of Khew Sin Khoon)
The Caterpillar of this species is varies in colour from beige to black. It has pale spots and transverse bands. It has a pair of long tentacles on the thorax, and shorter pairs behind the thorax and on the tail. It grows to a length of about 3 cms. It feeds on various plants from the family APOCYNACEAE including :
The adult butterflies are orange with wide black borders around the wings, and a variable number of white spots in the black tips of the forewings. The undersides of the wings are rather similar to the upper surfaces. The wingspan is about 6 cms.
The eggs are bullet shaped and have a height of about 0.7 mm. They are cream coloured and laid singly on the underside of older leaves and stems of a foodplant.
The species occurs as several subspecies throughout south-east Asia, including :
and occurs as subspecies alexis (Waterhouse & Lyell, 1914) in:
Hong Kong, 1979
Further reading :
Description de Papillons Exotiques,
Uitlandsche kapellen voorkomende in de drie waereld-deelen,
Amsterdam Baalde, Volume 3 (1779), pp. 23-24, figs C, D, and also Plate 206, figs C, D.
Notes on the Life History of Danaus genutia alexis (Waterhouse and Lyell) (Lepidoptera: Nymphalidae: Danainae),
The Australian Entomologist,
Volume 22, Part 4 (November 1995), pp. 137-139.
(updated 16 March 2010, 27 January 2014, 4 March 2015, 15 June 2020)