Don Herbison-Evans (
donherbisonevans@yahoo.com )
&
Stella Crossley

(Photo: courtesy of Sarah Way,
South Australian Department for Environment and Heritage)
The Caterpillars of this moth live communally in silken webs and bore holes in the seed heads of Grass Trees ( Xanthorrhoea, XANTHORRHOEACEAE ) such as :
The caterpillars grow to a length of about 2 cms. They are a favourite food of cockatoos, which dig them out of the stems.

The moths have pale fawn forewings with a brown stripe, and hindwings that are fawn coloured with a silken sheen, and have fringed trailing edges. The moths have a wingspan of about 3 cms.
The species is found all over Australia, including
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(updated 5 May 2011)