Psilosticha mactaria (Guenée, 1857)
(one synonym : Boarmia atycta Turner, 1926)
Large Waved Bark Moth
BOARMIINI ,   ENNOMINAE ,   GEOMETRIDAE ,   GEOMETROIDEA
 
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Cathy Young & Stella Crossley


(Photo: copyright Cathy Young)

These Caterpillars are blotchy green or brown, with two pale vertical lines on the head. The caterpillar is a true looper, with only two pairs of prolegs.


(Photo: copyright Cathy Young)

The adult moths have grey-brown wings with a complex wavy pattern. The wings have scalloped edges. The moths normally rest with wings flat and all four wings exposed. The wingspan is about 4 cms.


eggs, magnified
(Photo: copyright Cathy Young)

The eggs are ellipsoidal and are covered in an embossed microscopic hexagonal mesh pattern. Initially they are white, becoming dark as hatching approaches.

The species occurs in south-east Australia, including:

  • New South Wales, and
  • Tasmania.


    Further reading :

    Achille Guenée,
    Uranides et Phalénites,
    in Boisduval & Guenée:
    Histoire naturelle des insectes; spécies général des lépidoptères,
    Volume 9, Part 9 (1857), p. 270, No. 422.

    Marilyn Hewish,
    Moths of Victoria: Part 7,
    Bark Moths and Allies - GEOMETROIDEA (D)
    ,
    Entomological Society of Victoria, 2016, pp. 2, 24-25.

    Peter B. McQuillan,
    Report on a survey of nocturnal moth species occurring on South Sister near St Marys, Tasmania.,
    University of Tasmania, 2005.


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    (updated 17 September 2011, 24 September 2013)