Traminda aventiaria (Guenée, 1857)
(one synonym : Timandra molybdias Meyrick, 1889)
STERRHINAE ,   GEOMETRIDAE ,   GEOMETROIDEA
 
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Stella Crossley

Gnamptoloma aventiaria
(Photo: courtesy of Craig Nieminski, Darwin, Northern Territory)

These Caterpillars may be any colour from green to brown with white patches along the sides. They have flaps along the back that resemble leaflets of their foodplant. They move in looper fashion as they are missing the first three pairs of prolegs.

The caterpillars have been found feeding on the flowers and young foliage of various plants, including :

  • Pithecellobium species ( MIMOSACEAE ),
  • Black Wattle ( Acacia leiocalyx, MIMOSACEAE ),
  • Bark Wattle ( Acacia decurrens, MIMOSACEAE ),
  • Curracabah ( Acacia concurrens, MIMOSACEAE ),
  • Hickory Wattle ( Acacia aulacocarpa, MIMOSACEAE ), and
  • Roses ( Rosa species, ROSACEAE )

    Gnamptoloma aventiaria
    suspended pupa
    (Photo: courtesy of Craig Nieminski, Darwin, Northern Territory)

    The pupa is brown, and flattened with lateral flanges. It is suspended on silk threads typically between leaves.

    Gnamptoloma aventiaria
    (Photo: courtesy of Craig Nieminski, Darwin, Northern Territory)

    The adult moths of this species vary in colour from greenish to reddish, with a green sheen. There is a dark-edged yellow diagonal line across each wing. They have forewings with a recurve in the margin at the apex with a brown edging. The hindwings each have a very angular and slightly pointed tornus. The moths have a wingspan of about 2.5 cms.

    Gnamptoloma aventiaria
    (Photo: courtesy of Trevor Jinks, North Burnett, Queensland)

    The species is found across south-east Asia, from India to the Pacific, including :

  • Borneo,
  • India, and
  • Hong Kong,
  • Philippines,
  • Taiwan,

    and in Australia in:

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

    Gnamptoloma aventiaria
    (Photo: courtesy of Nick Monaghan, Tewantin, Queensland)


    Further reading :

    Ian F.B. Common,
    Moths of Australia, Melbourne University Press, 1990, pl. 11.33, p. 375.

    Achille Guenée,
    Uranides et Phalénites,
    in Boisduval & Guenée: Histoire naturelle des insectes; spécies général des lépidoptères,
    Volume 10, Part 2 (1857), p. 3, No. 896.

    Peter Hendry,
    Some notable Geometridae,
    Metamorphosis Australia,
    Issue 53 (June 2009), pp. 22-25,
    Butterflies and Other Invertebrates Club.

    J. Moss,
    The Moth Gnamptoloma aventiaria (Geometridae),
    Butterflies and Other Invertebrates Club Newsletter,
    Issue 22 (September 2001), pp. 12-13.


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    (updated 7 August 2012)