Psilosticha mactaria (Guenée, 1857)
(one synonym is : Boarmia atycta Turner, 1926)
BOARMIINI ,   ENNOMINAE ,   GEOMETRIDAE

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


(Photo: copyright Cathy Young)

These caterpillars are blotchy brown. It is a true looper, with only two pairs of prolegs.


(Photo: copyright Cathy Young)

The adult moths have brown wings with a complex wavy pattern. The wings have scalloped edges. The moths normally rest with wings flat and all four wings exposed.


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,
  • Victoria, and
  • Tasmania.


    Further reading :

    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)