Poecilasthena xylocyma (Meyrick, 1891)
 (previously known as : Asthena xylocyma)
ASTHENINI,   LARENTIINAE,   GEOMETRIDAE,   GEOMETROIDEA
 
Don Herbison-Evans
(donherbisonevans@yahoo.com)
and
Cathy Byrne & Stella Crossley

Poecilasthena xylocyma
(Photo: copyright Cathy Byrne)

The caterpillars of this species are green with a white line along each side.

Poecilasthena xylocyma
(Photo: copyright Cathy Byrne)

The pupa is dark brown.

Poecilasthena xylocyma
(Photo: copyright Cathy Byrne)

The adult moth is brown with a speckled pattern of darker brown, sometimes with a dark patch in the middle of each forewing hind-margin. The wingspan is about 2 cms.

Poecilasthena xylocyma
(Photo: copyright Cathy Byrne)

The eggs are pale green, oval, and covered in microscopic bumps.

The species has been found in

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

    Further reading :

    Edward Meyrick,
    Revision of Australian Lepidoptera V,
    Proceedings of the Linnean Society of New South Wales,
    Series 2, Volume 5, Part 4 (1890), p. 814, No. 23.

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    (updated 19 January 2013, 19 March 2021)