Thalaina angulosa Walker, 1865
 NACOPHORINI ,   ENNOMINAE ,   GEOMETRIDAE

Don Herbison-Evans ( donherbisonevans@yahoo.com )
and
Catherine J. Young & Stella Crossley


(Photo: copyright Cathy Young)

These Caterpillars are green with a conspicuous yellow line underlined in black extending along each side. The body has a scattering of dark dots.

The Caterpillars have been found feeding on:

  • Golden Wattle ( Acacia pycnantha, MIMOSACEAE ), and
  • Velvet Myrtle ( Cassia tomentella, CAESALPINIACEAE ).


    (Photo: copyright Cathy Young)

    The adult is a silky white, with a rusty zig-zag pattern outlined in black on each forewing.


    (Photo: courtesy of Ted Cadwallader)

    The hindwings each bear a large irregular black subterminal patch, which is covered by the forewing when at rest. The moth has a wingspan of about 4 cms.


    underside
    (Photo: courtesy of Ted Cadwallader)

    The species has been found on mainland Australia, including:

  • Queensland,
  • New South Wales,
  • the south of Western Australia,
  • South Australia, and
  • Victoria.

    Further reading :

    Ian F.B. Common,
    Moths of Australia, Melbourne University Press, 1990, pl. 10.15, p. 365.

    Peter B. McQuillan,
    A review of the Australian moth genus Thalaina (Lepidoptera: Geometridae: Ennominae),
    Transactions of the Royal Society of South Australia.
    Volume 105, Issue 1 (1981) pp. 1-23.

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    (updated 2 January 2010)