Dark Forest Blue
(previously known as Thecla eone)
LUCIINI , THECLINAE , LYCAENIDAE , PAPILIONOIDEA
(Photo: courtesy of Bob Miller and Ian Hill)
This Caterpillar is green or grey or brown, with a black head, thorax, and tail. There are obscure diagonal bands on the side of each segment. The caterpillar has been found feeding gregariously on :
It feeds from the underside of a leaf, eating irregular holes in it. When not feeding, it hides in a curled leaf or debris at the base of the foodplant. The Caterpillar is usually attended by small black ants :
The pupa is pale brown mottled with darker brown. It is slender and has a length of about 1 cm. It is usually formed in a curled leaf or concealed in the debris at the foot of the foodplant.
The female adults are brown on top with two black spots and a yellow patch at the tornus of each hind wing.
Males are dark brown with a blue sheen, and with a pale arc along the edge of each hindwing.
Underneath, the sexes are similar. They are white with irregular arcs of fawn dashes. The hindwings each have one large and one small black spot edged in orange by the tornus. The butterflies have a wing span of about 2 cms.
The eggs are shaped like a mandarin orange, and are laid singly on young shoots of a foodplant. They have a diameter of about 0.6 mm.
The species occurs as various races in
and the subspecies iole Waterhouse & Lyell, 1914, occurs along the north coast of
Further reading :
Michael F. Braby,
Butterflies of Australia, CSIRO Publishing, Melbourne 2000, vol. 2, pp. 648-649.
Baron Cajetan Felder & Rudolf Felder,
Wiener Entomologische Monatschrift,
Band 4, Part 8 (1860), p. 243, No. 89.
(updated 1 October 2010, 23 November 2013)