Gonodontis orthotoma (Lower, 1894)
 (previously known as Arrhodia orthotoma)
GONODONTINI,   ENNOMINAE,   GEOMETRIDAE,   GEOMETROIDEA
 
Don Herbison-Evans
(donherbisonevans@yahoo.com)
and
Stella Crossley


(Photo: courtesy of Graeme Cocks, Townsville, Queensland)

The adult moth of this species has brown wings with dark bands, lines and other marks. The colour varies from yellowish to greyish. There is a small round black-edged lacuna near the middle of each hindwing. The hind margins of the forewings are concave. The outer margins of the hindwings are each recurved with a cusp. The costa of each hindwing has a step. The natural posture has the forewings creased and folded, or even rolled right up. The moth has a wingspan of about 5 cms.


(Photo: courtesy of CSIRO/CNC/CBG Photography Group, Centre for Biodiversity Genomics, University of Guelph)

The species has been found in Australia in:

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

    Further reading :

    Peter Hendry & Murdoch De Baar,
    A Cryptic Geometrid,
    Butterflies and Other Invertebrates Club,
    Metamorphosis Australia,
    Issue 59 (December 2010), pp 11-13.

    Oswald B. Lower,
    New Australian Heterocera,
    Transactions of the Royal Society of South Australia,
    Volume 18 (1894), p. 83.

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    (updated 9 January 2009, 20 November 2024)