Giant Wood Moth
(one synonym: Xyleutes boisduvali Rothschild, 1896)
ZEUZERINAE, COSSIDAE, COSSOIDEA
drawing by Walter W. Froggatt, listed as Zeuzera macleayi,
Forest insects of Australia, Sydney 1923, p. 46,
image courtesy of Biodiversity Heritage Library, digitized by NCSU Libraries.
These Caterpillars are pale yellow and fat. They grow to a length of about 10 cms. Their diameter is about 2 cms.
The caterpillars live in holes that they bore into
The caterpillars pupate in their borehole. When the adult moth emerges, the empty pupal skin is left sticking out of the hole.
The adult moths have a variable vague pattern of light and dark grey or brown on the wings, including a pale-edged dark spot near the middle of each forewing.
The forewings each have a sinusoidal hind margin, and the hindwings a convex hind margin. The moths are very large.
The females have a wingspan up to 23 cms.
The males are only half the size of the females, and have a wingspan up to 11 cms.
The species occurs over
Further reading :
Butterflies and Moths, Collins Eyewitness Handbooks, Sydney 1992, p. 293.
Ian F.B. Common,
Moths of Australia, Melbourne University Press, 1990, fig. 26.12, p. 271.
Walter W. Froggatt,
The Giant Wood Moth,
Forest insects of Australia,
Sydney 1923, pp. 43-47,
Tropical Queensland Wildlife from Dusk to Dawn Science and Art,
LeapFrogOz, Kuranda, 2015, p. 25.
Original Water-Colour "Zeuzera macleayi"
Johann Gottlieb Otto Tepper,
Part II Lepidoptera, or butterflies and moths,
Common native insects of South Australia,
Adelaide, 1890, pp. 30-31.
(updated 21 August 2012, 1 January 2019)