Chlorocoma externa (Walker, 1861)
Spotted-fringe Emerald
(previously known as Chlorochroma externa)
GEOMETRINAE,   GEOMETRIDAE,   GEOMETROIDEA
 
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Cathy Byrne & Stella Crossley


(Photo: copyright Cathy Byrne)

This Caterpillar is thin and pale green, with the head end extended into two horn-like points with red tips.


male
(Photo: courtesy of Peter Marriott, Moths of Victoria: Part 4)

The adult moths are green Emeralds, and the wings having a red border. The wings also have a vestigial spot in the middle, unlike those of the Emerald Chlorocoma cadmaria. The wings are rounded, unlike those of the Emerald Chlorocoma tetraspila. The wingspan is about 2 cms.


female
(Photo: courtesy of CSIRO/BIO Photography Group, Centre for Biodiversity Genomics, University of Guelph)

The eggs are round, flattened, and yellow, and covered in minute dimples. They are laid singly.


close-up of eggs
(Photo: copyright Cathy Byrne)

The species has been found in:

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


    underside
    (Photo: courtesy of Peter Marriott, Moths of Victoria: Part 4)


    Further reading :

    Peter Marriott,
    Moths of Victoria: Part 4,
    Emeralds and Allies - GEOMETROIDEA (B)
    ,
    Entomological Society of Victoria, 2012, pp. 34-35.

    Francis Walker,
    Geometrites,
    List of the Specimens of Lepidopterous Insects in the Collection of the British Museum,
    Part 22 (1861), p. 564, No. 11.


    previous
    back
    caterpillar
    Australian
    Australian Butterflies
    butterflies
    Australian
    home
    Lepidoptera
    Australian
    Australian Moths
    moths
    next
    next
    caterpillar

    (updated 3 November 2011, 16 June 2018)