The caterpillar pupates in a loose cocoon covered in detritus.

(Photo: courtesy of Dominic Funnell, Mission River, Queensland)

The adult moth has variable patchy brown forewings, each with a pale-edged diagonal slightly serrated line connecting to a pale triangle near the middle of the hind-margin. Each forewing costa has a convex elbow.

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

The hindwings are pale grey, fading to off-white at the bases. The wingspan is about 2 cms.

drawing by Charles Swinhoe, listed as Arsacia frontirufa,
Proceedings of the Zoological Society of London, 1885, Plate XX, fig. 12,
image courtesy of Biodiversity Heritage Library,
digitized by Natural History Museum Library, London.

The species has been found in

as well as in Australia in

showing undersides
(Photo: courtesy of the Photography Group, Centre for Biodiversity Genomics, University of Guelph)

Further reading :

Charles Swinhoe,
On the Lepidoptera of Bombay and the Deccan,
Proceedings of the Zoological Society of London,
1885, p. 301, No. 102, and also Plate 20, fig. 12.

A. Jefferis Turner,
New Australian Lepidoptera,
Proceedings of the Royal Society of Queensland,
Volume 47 (1936), p. 34.

Francis Walker,
Crambites & Tortricites,
List of the Specimens of Lepidopterous Insects in the Collection of the British Museum,
Part 27 (1863), pp. 21-22, No. 1.

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(written 24 May 2019, 18 November 2023)