Idaea philocosma (Meyrick, 1888)
Flecked Wave
 (previously known as Acidalia philocosma)
STERRHINAE,   GEOMETRIDAE,   GEOMETROIDEA
 
Don Herbison-Evans
(donherbisonevans@yahoo.com)
and
Stella Crossley

Idaea philocosma
male
(Photo: courtesy of Peter Marriott, Moths of Victoria: Part 3)

The adult moths of this species are pale brown with cream wiggly lines and dark dots on the wings, with a pale stripe along the costa of each forewing. The wingspan is about 2 cms.

Idaea philocosma
female
(Photo: courtesy of Peter Marriott, Moths of Victoria: Part 3)

The species has been found in :

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

    Idaea philocosma
    showing underside
    ((Photo: courtesy of Gary Brooks, Tinnanbar, Queensland))

    Further reading:

    Peter B. McQuillan, Jan A. Forrest, David Keane, & Roger Grund,
    Caterpillars, moths, and their plants of Southern Australia,
    Butterfly Conservation South Australia Inc., Adelaide (2019), p. 104.

    Peter Marriott,
    Moths of Victoria: Part 3,
    Waves & Carpets - GEOMETROIDEA (C)    ,
    Entomological Society of Victoria, 2011, pp. 10-11.

    Edward Meyrick,
    Revision of Australian Lepidoptera II,
    Proceedings of the Linnean Society of New South Wales,
    Series 2, Volume 2, Part 4 (1888), pp. 845-846, No. 8.

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    (updated 3 January 2013, 13 December 2018, 20 August 2020)