Idaea nephelota (Turner, 1908)
Clouded Wave
(previously known as Eois nephelota)
STERRHINAE,   GEOMETRIDAE,   GEOMETROIDEA
 
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Stella Crossley

Idaea nephelota
(Photo: courtesy of Steve Williams, Moths of Victoria: Part 3)

The Caterpillars of this species initially have abdominal segments that are alternately pale and dark brown along the body .

Idaea nephelota
(Photo: courtesy of Steve Williams, Moths of Victoria: Part 3)

Later the caterpillars are a speckled grey. The caterpillars are loopers, with only one pair of prolegs plus the claspers at the rear of the body. The caterpillars are thought to feed on the foliage of

  • Gum Trees ( Eucalyptus species, MYRTACEAE ).

    The caterpillars are reluctant to drop if disturbed, and seem to like feeding on fresh leaves.

    Idaea nephelota
    (Photo: courtesy of Steve Williams, Moths of Victoria: Part 3)

    The pupa is initially greenish with a brown abdomen. Later it becomes wholly brown.

    Idaea nephelota
    paler variety
    (Photo: courtesy of Joan Fearn, Moruya, New South Wales)

    The adult moths are pale brown, with variable dark wiggly lines, bands, and lines of dots on the wings, and a pale line along the costa of each forewing.

    Idaea nephelota
    darker variety
    (Photo: courtesy of Donald Hobern, Aranda, Australian Capital Territory)

    The wingspan is about 2 cms.

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

    The species has been found in :

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

    Idaea nephelota
    underside
    (Photo: courtesy of Joan Fearn, Moruya, New South Wales)


    Further reading:

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

    A. Jefferis Turner,
    Revision of Australian Lepidoptera: IV,
    Proceedings of the Linnean Society of New South Wales,
    Volume 32 (1908), pp. 652-653, No. 22.


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    (updated 2 May 2013, 10 June 2018)