Boisduval's Autumn Moth
(one synonym : Pterygosoma squamipunctum, R.Felder, 1874)
(Photo: by David Carter, Natural History Museum, London, courtesy of Denys Long, East Sussex)
The caterpillar of this species is dark grey, with white spots and sparse stiff white hairs, and has a brown head. It hides by day in groups under loose bark and feeds nocturnally on :
The adult moths have a wingspan of about 5 cms. Originally, the male and female moths were thought to be different species because they look so different.
The female adult moth is white with a broad black line along each forewing ending in a black bar at the base. The body has alternate black and orange bands.
The male has fawn forewings speckled with black dots, and has pale hindwings.
The species is found over much of Australia, including :
The eggs of this species are white and oval.
They are laid in long clusters on a twig and covered in hairs by the female moth.
Further reading :
Butterflies and Moths, Collins Eyewitness Handbooks, Sydney 1992, p. 249.
Ian F.B. Common,
Moths of Australia, Melbourne University Press, 1990, figs. 42.13, 42.14, pl.30.6, p. 424.
Peter B. McQuillan, Jan A. Forrest, David Keane, & Roger Grund,
Caterpillars, moths, and their plants of Southern Australia,
Butterfly Conservation South Australia Inc., Adelaide (2019), p. 140.
Moths of Victoria - Part 2,
Tiger Moths and Allies - NOCTUOIDEA (A),
Entomological Society of Victoria, 2009, pp. 5-7.
Characters of a few Australian Lepidoptera, Collected by Mr. Thomas R. Oxley,
Transactions of the Entomological Society of London,
New Series, Volume III, Number 8 (1856), p. 286.
Paul Zborowski and Ted Edwards,
A Guide to Australian Moths, CSIRO Publishing, 2007, p. 172.
(updated 16 March 2012, 11 May 2017, 29 March 2019, 15 August 2020, 28 April 2021)