(previously known as Chlorochroma externa)
GEOMETRINAE, GEOMETRIDAE, GEOMETROIDEA
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. The caterpillar has been found feeding on
The adult moths are green Emeralds, and the wings having a red border. The moths also have a dark spot in the middle of each wing, and a plain green abdomen, which distinguish it from the similar Chlorocoma cadmaria. The wings are rounded, unlike those of the Emerald Chlorocoma tetraspila. The wingspan is about 2 cms.
The eggs are round, flattened, and yellow, and covered in minute dimples. They are laid singly.
The species has been found in:
Further reading :
Peter B. McQuillan, Jan A. Forrest, David Keane, & Roger Grund,
Caterpillars, moths, and their plants of Southern Australia,
Butterfly Conservation South Australia Inc., Adelaide (2019), pp. 136-137.
Moths of Victoria: Part 4,
Emeralds and Allies - GEOMETROIDEA (B),
Entomological Society of Victoria, 2012, pp. 34-35.
List of the Specimens of Lepidopterous Insects in the Collection of the British Museum,
Part 22 (1861), p. 564, No. 11.
(updated 3 November 2011, 17 December 2019, 15 November 2020)