Sterictopsis argyraspis (Lower, 1893)
Webbed Grey
(also known as Rhuma argyraspis)
GEOMETRINAE,   GEOMETRIDAE,   GEOMETROIDEA
 
Don Herbison-Evans
(donherbisonevans@yahoo.com)
and
Stella Crossley

Sterictopsis argyraspis
male
(Photo: courtesy of Donald Hobern, Aranda, Australian Capital Territory)

These Caterpillars have been found feeding on

  • Swamp Mahogany ( Eucalyptus robusta, MYRTACEAE ).


    female
    (Photo: courtesy of Peter Marriott, Moths of Victoria: Part 4)

    The adult moths are grey or brown with a network of black jagged lines on the upper forewing surfaces. The hindwings are dark grey at the margins fading to white at the bases, with some jagged dark transverse lines. The wingspan is about 3 cms.


    male, showing erect scales on abdomen
    (Photo: courtesy of Bronwyn King, Melba, Australian Capital Territory)

    Underneath the moths are fawn with some zigzag lines, and with a broad black submarginal patch on each wing.


    female underside
    (Photo: courtesy of Peter Marriott, Moths of Victoria: Part 4)

    This species has been photographed in

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


    male underside
    (Photo: courtesy of Bronwyn King, Melba, Australian Capital Territory)

    This species is thought to be the the same as Sterictopsis inconsequens, making that name only a junior synonym.


    Further reading :

    Oswald B. Lower,
    New Australian Lepidoptera,
    Transactions of the Royal Society of South Australia,
    Volume 17, Part 1 (1893), pp. 157-158.

    Peter Marriott,
    Moths of Victoria: Part 4,
    Emeralds and Allies - GEOMETROIDEA (B)
    ,
    Entomological Society of Victoria, 2012, pp. 28-29.


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    (updated 28 June 2013, 21 June 2018, 23 October 2020)