Proteuxoa bistrigula (Walker, 1857)
Long-marked Noctuid
 (one synonym : Ariathisa ophiosema Turner, 1911)
ACRONICTINAE,   NOCTUIDAE,   NOCTUOIDEA
 
Don Herbison-Evans
(donherbisonevans@yahoo.com)
and
Stella Crossley

Proteuxoa bistrigula
(Photo: courtesy of Donald Hobern, Canberra, Australian Capital Territory)

The adult moth of this species has dark brown patterned forewings each with a small white crescent near the middle. The wingspan is about 4 cms.

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

The species has been found in:

  • Australian Capital Territory,
  • Victoria,
  • Tasmania, and
  • South Australia.

    Further reading :

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

    Francis Walker,
    Catalogue of Lepidoptera Heterocera,
    List of the Specimens of Lepidopterous Insects in the Collection of the British Museum,
    Part 11 (1857), p. 599, No. 95.

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    (updated 12 April 2013, 15 November 2025)