Blotched Satin Moth
NACOPHORINI, ENNOMINAE, GEOMETRIDAE, GEOMETROIDEA
Cathy Byrne & Stella Crossley
(Photo: copyright Cathy Byrne)
These Caterpillars are green with a conspicuous yellow line underlined in black extending along each side. The body has a scattering of dark dots. The body tapers uniformly from the head to the tail. The head has a pair of small orange and black horns.
The caterpillars have been found feeding on:
The adult is a silky white, with a rusty zig-zag pattern outlined in black on each forewing. The forewing pattern is similar to that of Thalaina clara but that has a straight brown line from the costa to tornus, whereas Thalaina angulosa has a straight brown line from the base to near the middle of the margin.
The hindwings each bear a large irregular black subterminal patch, which is covered by the forewing when at rest. The moth has a wingspan of about 4 cms.
The species has been found on mainland Australia, including:
Further reading :
Ian F.B. Common,
Moths of Australia,
Melbourne University Press, 1990, pl. 10.15, p. 365.
Some notable Geometridae,
Issue 53 (June 2009), pp. 22-25,
Butterflies and Other Invertebrates Club.
Moths of Victoria: Part 5,
Satin Moths and Allies - GEOMETROIDEA (A),
Entomological Society of Victoria, 2014, pp. 2, 18-19, 30-31.
Peter B. McQuillan,
A review of the Australian moth genus Thalaina (Lepidoptera: Geometridae: Ennominae),
Transactions of the Royal Society of South Australia.
Volume 105, Issue 1 (1981) pp. 1-23.
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. 128-129.
Catalogue of Lepidoptera Heterocera,
List of the Specimens of Lepidopterous Insects in the Collection of the British Museum,
Part 31 (1865), p. 289, No. 2.
(updated 2 January 2010, 7 June 2014, 7 March 2021)