Systatica xanthastis (Lower, 1894)
Golden Xanthastis
(one synonym : Warneckia bilineata Sick, 1938)
OENOCHROMINAE,   GEOMETRIDAE,   GEOMETROIDEA
 
Don Herbison-Evans
(donherbisonevans@yahoo.com)
and
Stella Crossley

Systatica xanthastis
(Photo: courtesy of Aila Keto, Springbrook, Queensland)

The adult moth of this species has brown forewings each with two dark lines across them. The hindwings are yellowish brown with one dark lines across each one. The undersides of the forewings are yellowish with a dark area along the costa and along the margin. The undersides of the hindwings are mottled yellowish brown and dark brown. The wingspan is about 5 cms.

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

The species has been found in:

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


    Further reading :

    Ian F.B. Common,
    Moths of Australia,
    Melbourne University Press, 1990, fig. 36.20, p. 370.

    Oswald B. Lower,
    New Australian Heterocera,
    Transactions of the Royal Society of South Australia,
    Volume 18 (1894), p. 85.

    Peter Marriott,
    Moths of Victoria: Part 4,
    Emeralds and Allies - GEOMETROIDEA (B)
    ,
    Entomological Society of Victoria, 2013, pp. 20-21.


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    (written 7 May 2014, updated 13 November 2019, 23 June 2021)