Anisozyga pieroides (Walker, 1861)
Wattle Bizarre Looper
(formerly known as Comibaena pieroides)
GEOMETRINAE ,   GEOMETRIDAE ,   GEOMETROIDEA
 
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Peter Marriott & Stella Crossley

Anisozyga pieroides
(Photo: courtesy of Nick Monaghan, Tewantin, Queensland)

The mature Caterpillars of this species look extraordinary, having a flange each side of each segment. They are brown, and resemble the ragged edge of a partially eaten leaf. The young Caterpillars have no flanges, but attach frass and other debris to their backs symmetrically, like the flanges they are going to develop.

Anisozyga pieroides
(Photo: courtesy of Ian McMillan, Imbil, Queensland)

The caterpillars eat leaves from a wide variety of plants, including :

  • Ka Tree ( Terminalia carolinensis, COMBRETACEAE ),
  • Avocado ( Persea americana, LAURACEAE ),
  • various Broad-Leaved Wattles ( Acacia, MIMOSACEAE ),
  • Riberry ( Syzygium leuhmannii, MYRTACEAE ),
  • Roses ( Rosa odorata, ROSACEAE ), and
  • Macadamia Nuts ( Macadamia integrifolia, PROTEACEAE ).

    The adult males and females look very different.

    Anisozyga pieroides
    Male

    The male is green, with a white pattern.

    Anisozyga pieroides
    Female

    The female is green with brown borders.

    The moths have a wingspan of about 3 cms. They may be distinguished from some similar species as the hind wings have scalloped edges.

    The species is found in

  • Western Australia,
  • Northern Territory,
  • Queensland,
  • New South Wales.

    There has been probably some confusion with similar species in reports of its occurrence in

  • Victoria, and
  • Tasmania.


    Further reading :

    Ian F.B. Common,
    Moths of Australia,
    Melbourne University Press, 1990, pls. 11.1, 27.2, 27.3, p. 373.

    Peter Hendry,
    At the light trap,
    Butterflies and Other Invertebrates Club,
    Newsletter Issue 45 (June 2007), pp. 18-22.

    Francis Walker,
    Geometrites,
    List of the Specimens of Lepidopterous Insects in the Collection of the British Museum,
    Part 22 (1861), pp. 580-581, No. 25.

    Paul Zborowski and Ted Edwards,
    A Guide to Australian Moths,
    CSIRO Publishing, 2007, p. 138.


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    (updated 6 November 2010, 18 October 2014)