Amyna octo (Guenée, 1852)
Eight Spot
(previously known as Perigea octo)
ACONTIINAE,   EREBIDAE,   NOCTUOIDEA
 
Don Herbison-Evans
(donherbisonevans@yahoo.com)
and
Stella Crossley

Amyna octo
(Photo: courtesy of Graeme Cocks, Townsville, Queensland)

This caterpillar has been reported feeding on:

  • Marijuana ( Cannabis sativa, CANNABACEAE ),
  • Fat Hen ( Chenopodium album, CHENOPODIACEAE ), and
  • Soybeans ( Glycine max, FABACEAE ).

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

    The adult moth has rusty brown forewings, each with a number of thin sinuous pale lines across, and variable white marks, including a pair which form the fragmented digits '80'. The hindwings are plain brown. The moth has a wing span of about 2 cms.

    The species has been found in the tropics, including

  • French Polynesia,
  • Pakistan,

    and also in Australia in

  • Queensland.

    Amyna octo
    underside
    (Photo: courtesy of Daniel H. Janzen)

    Specimens of this species are often misidentified as Amyna axis or Amyna natalis or Amyna stricta.


    Further reading :

    Achille Guenée,
    Noctuélites,
    in Boisduval & Guenée: Histoire naturelle des insectes; spécies général des lépidoptères,
    Volume 9, Part 5, Section 1 (1852), p. 407, No. 378b.


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    (updated 22 November 2012, 3 July 2019, 15 January 2021)