Tiny Tussock Moth
(previously known as : Orgyia hemicalla)
LYMANTRIINAE, EREBIDAE, NOCTUOIDEA
(Photo: courtesy of David Akers, Won Wron, Victoria)
The Caterpillar of this species are grey and hairy, with a double row of white spots along the back, a pair of yellow spots behind the thorax, four rows of round brown warts along the back, a row of round red warts along each side, and a red gland on the back of each of the penultimate two segments. The head is black, and the hairs around the head project diagonally forward, like cats' whiskers, from a pair of round black verrucae.
The caterpillar is has been found feeding on
(Photos: courtesy of David Akers, Won Wron, Victoria)
The caterpillar grows to a length of about 2 cms. It pupates in a dense brown silk cocoon on the foodplant.
The adult male moth is dark brown except for a broad orange margin on each hindwing. It has a wingspan of about 2 cms.
The female is brown and hairy, with a length of about 1 cm. She is cylindrical and has vestigial wings, and cannot fly.
The moths seem to prefer the vicinity of a creek. The species has been found in
Further reading :
Oswald B. Lower,
Descriptions of New Australian Lepidoptera with Synonymic Notes. No. XXIII,
Transactions of the Royal Society of South Australia,
Volume 29 (1905), p. 176.
Moths of Victoria: Part 2,
Tiger Moths and their Allies - Noctuoidea (A),
Entomological Society of Victoria, 2009, pp. 16-19.
(updated 11 April 2011, 26 March 2023)