Poecilasthena urarcha (Meyrick, 1891)
Broad-pointed Delicate
 (previously known as Asthena urarcha)
ASTHENINI,   LARENTIINAE,   GEOMETRIDAE,   GEOMETROIDEA
 
Don Herbison-Evans
(donherbisonevans@yahoo.com)
and
Stella Crossley

Poecilasthena urarcha
(Photo: courtesy of Elaine McDonald, Nicholl's Rivulet, Tasmania)

The adult moth of this species is white with many faint pale green wavy lines across each wing, and with a narrow brownish edge to the forewing costas, and also a dark dot near the centre of each forewing. The hindwing tornus is angled. The wingspan is about 2 cms.

Poecilasthena urarcha
(Photo: courtesy of Peter Marriott, Moths of Victoria: Part 3)

This species has been found Australia in:

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

    Poecilasthena urarcha
    underside
    (Photo: courtesy of Elaine McDonald, Nicholl's Rivulet, Tasmania)

    Further reading:

    Peter Marriott,
    Moths of Victoria: Part 3,
    Waves & Carpets - GEOMETROIDEA (C)    ,
    Entomological Society of Victoria, 2011, pp. 32-33.

    Edward Meyrick,
    Revision of Australian Lepidoptera IV,
    Proceedings of the Linnean Society of New South Wales,
    Series 2, Volume 5, Part 4 (1890), pp. 812-813, No. 20.

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    (written 14 Septembner 2013, updated 30 March 2020, 19 March 2021)