Chiasmia gratularia (Walker, 1861)
Two-coloured Geometrid
(also known as Godonela gratularia)
MACARIINI,   ENNOMINAE,   GEOMETRIDAE,   GEOMETROIDEA
 
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Stella Crossley


male
(Photo: courtesy of Marilyn Hewish, Moths of Victoria: Part 7)

The adult moth of this species has greyish or brownish wings which each have a predominantly pale basal half and a predominantly dark marginal half. The boundary between the halves of the forewings has a conspicuous wave. The margins of each wing have a cusp. The wingspan is about 4 cms.

The species has been found in Australia in:

  • Queensland,
  • New South Wales,
  • Victoria,
  • South Australia,, and
  • Western Australia.


    Further reading :

    Marilyn Hewish,
    Moths of Victoria: Part 7,
    Bark Moths and Allies - GEOMETROIDEA (A)
    ,
    Entomological Society of Victoria, 2016, pp. 16-17.

    Francis Walker,
    Geometrites,
    List of the Specimens of Lepidopterous Insects in the Collection of the British Museum,
    Part 23 (1861), p. 939, No. 129.


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    (written 22 March 2018)