Ocrasa albidalis Walker, 1866
(previously : Spilodes rhodocryptalis)
PYRALINAE ,   PYRALIDAE ,   PYRALOIDEA
 
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Stella Crossley

Ocrasa albidalis
(Photo: courtesy of Graeme Cocks, Townsville)

These caterpillars are dark brown. They feed on:

  • Gum Trees ( Eucalyptus species, MYRTACEAE ).

    These caterpillars are communal, skeletonising dead leaves, and living in a silk shelter covered in frass composed of dead foliage.

    Ocrasa albidalis
    (Photo: courtesy of Graeme Cocks, Townsville)

    The adult moths have forewings that are pale brown with faint lines across them. The hindwings are an even paler brown with faint lines across them. The moths have a wingspan of about 3 cms.

    Ocrasa albidalis
    underside
    (Photo: courtesy of Graeme Cocks, Townsville)

    The species has been found in Australia in :

  • Queensland, and
  • New South Wales.


    Further reading :

    Ian F.B. Common,
    Moths of Australia, Melbourne University Press, 1990, fig. 31.18, p. 349.


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    (updated 4 August 2012)