Gauna aegusalis (Walker, 1858)
(erroneously: Pyralis aegalis)
PYRALINAE ,   PYRALIDAE

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

Gauna aegusalis
(Photo: courtesy of Donald Hobern, Aranda)

These Caterpillars have been found feeding and living inside :

  • galls caused by a rust fungus Uromycladium tepperianum ( UREDINALES )

    on

  • Silver Wattle ( Acacia dealbata, MIMOSACEAE ) and
  • Green Wattle ( Acacia decurrens, MIMOSACEAE ).

    The moth has forewings with grey and brown areas delineated by broken white lines. In its normal posture, it holds the abdomen curved up in the air. The wingspan is about 3 cms.

    The species has been found in

  • New Zealand,
    and south-eastern Australia, including::
  • Australian Capital Territory,
  • New South Wales,
  • South Australia, and
  • Tasmania.

    Further reading :

    Richard Bashford,
    The insect fauna inhabiting Uromycladium (Uredinales) rust galls on Silver Wattle (Acacia dealbata) in Tasmania, The Australian Entomologist, Volume 29, Part 3 (September 2002), pp. 81-95.

    Ian F.B. Common, Moths of Australia, Melbourne University Press, 1990, fig. 32.1, p. 349.

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    (updated 13 February 2011)