Chlorocoma externa (Walker, 1861)
(previously known as : Chlorochroma externa)
GEOMETRINAE ,   GEOMETRIDAE

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


(Photo: copyright Cathy Young)

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


(Photo: courtesy of Peter Marriott)

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 abdomen has a pale dorsal stripe.


underside
(Photo: courtesy of Peter Marriott)

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


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

The species has been found in:

  • South Australia,
  • Victoria, and
  • Tasmania.

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    (updated 3 November 2011)