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

The forewings of the adult moth each have a brown pattern, including a central dark streak with a variable round white spot near the basal end and a pale kidney-shaped mark near the distal end.

(Photo: courtesy of Andrew Mitchell, Australian Museum)

The hindwings are pale brown shading to off-white at the bases, with dark veins. The wingspan is about 3 cms.

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

Specimens have been found in

male, drawing by George Francis Hampson, listed as Ariathisa hydraecioides,
Catalogue of Lepidoptera Phalænæ in the British Museum,
Noctuidæ, Volume VIII (1909), Plate CXXXII, fig. 4,
image courtesy of Biodiversity Heritage Library, digitized by Ernst Mayr Library, Harvard University.

Further reading :

Achille Guenée,
Noctuidae,
in Boisduval & Guenée :
Histoire naturelle des insectes; spécies général des lépidoptères,
Volume 9, Part 5 (1852), p. 272, No. 438-A.

George Francis Hampson,
Catalogue of Noctuidae in the British Museum,
Catalogue of Lepidoptera Phalaenae in the British Museum,
Volume 8 (1909), pp. 395-396, No. 4062, and also Plate 132, fig. 4.

Peter Marriott & Marilyn Hewish,
Moths of Victoria - Part 9,
Cutworms and Allies - NOCTUOIDEA (C),
Entomological Society of Victoria, 2020, pp. 20-21.

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(updated 9 August 2011, 20 November 2017, 22 August 2019, 24 December 2020)