Gastrinodes argoplaca (Meyrick, 1892)
(previously known as Selidosema argoplaca)
Cryptic Bark Moth
BOARMIINI,   ENNOMINAE,   GEOMETRIDAE,   GEOMETROIDEA
 
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Stella Crossley

Gastrinodes argoplaca
(Photo: courtesy of Steve Williams, Moths of Victoria: Part 7)

These Caterpillars are greenish or reddish brown loopers. They are thought to feed on various species of

  • Gum Tree ( Eucalyptus species, MYRTACEAE ).

    Gastrinodes argoplaca
    (Photo: courtesy of Steve Williams, Moths of Victoria: Part 7)

    The caterpillars pupate in the ground debris

    Gastrinodes argoplaca
    male
    (Photo: copyright of Brett and Marie Smith at Ellura Sanctuary, South Australia)

    The adult moths of this species have a complex pattern of light and dark brown and white on each wing.

    Gastrinodes argoplaca
    female
    (Photo: courtesy of Cathy Powers, Lerderderg, Victoria)

    The long scales behind the head and on the thorax can be raised to make a crest. The wingspan is about 3 cms.

    Gastrinodes argoplaca
    showing crest behind the head
    (Photo: copyright of Brett and Marie Smith at Ellura Sanctuary, South Australia)

    The eggs are laid singly. They are ellipsoidal with rows of microscopic pits. Initially the eggs are grey, and become purple as hatching approches.

    Gastrinodes argoplaca
    (Photo: courtesy of Steve Williams, Moths of Victoria: Part 7)

    The species has been found over much of Australia, including:

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

    Gastrinodes argoplaca
    underside
    (Photo: copyright of Brett and Marie Smith at Ellura Sanctuary, South Australia)


    Further reading :

    Marilyn Hewish,
    Moths of Victoria: Part 7,
    Bark Moths and Allies - GEOMETROIDEA (D)
    ,
    Entomological Society of Victoria, 2016, pp. 22-23.

    Edward Meyrick,
    Revision of Australian Lepidoptera: V,
    Proceedings of the Linnean Society of New South Wales,
    Series 2, Volume 6, Part 4 (1892), pp. 615-616, No. 38.


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    (updated 4 May 2010, 5 August 2017)