Agrotis porphyricollis Guenée, 1852
(one synonym : Graphiphora reclusa Walker, 1857)
NOCTUINAE ,   NOCTUIDAE ,   NOCTUOIDEA
 
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Stella Crossley

Agrotis porphyricollis
(Photo: courtesy of the Macleay Museum, University of Sydney)

This brown grub of a Caterpillar lives under the ground in daytime, emerging at night to feed. It is a pest in Tasmania on:

  • Sugar Beet ( Beta vulgaris, CHENOPODIACEAE ), and
  • Potato ( Solanum tuberosum, SOLANACEAE ).

    It grows to a length of about 3 cms.

    Agrotis porphyricollis
    (Photo: courtesy of Jenny Holmes, Victoria)

    The adult moths are fawn with several dark spots on the forewings.

    Agrotis porphyricollis
    (Specimen: courtesy of the Macleay Museum, University of Sydney)

    Underneath, they have a large dark spot at the tip of each wing which is more prominent under the hindwings. The moths have a wingspan of about 3 cms.

    Agrotis porphyricollis
    male, drawing by George Francis Hampson, listed as Euxoa porphyricollis,

    Catalogue of Lepidoptera Phalænæ in the British Museum,
    Noctuidæ, Volume IV (1903), Plate LX, figure 9,
    image courtesy of Biodiversity Heritage Library, digitized by Ernst Mayr Library, Harvard University.

    The species has been found in

  • New South Wales,
  • Australian Capital Territory,
  • Victoria,
  • Tasmania,
  • South Australia,
  • Western Australia,.

    Agrotis porphyricollis
    male, drawing by George Francis Hampson, listed as Euxoa reclusa,

    Catalogue of Lepidoptera Phalænæ in the British Museum,
    Noctuidæ, Volume IV (1903), Plate LXVII, figure 15,
    image courtesy of Biodiversity Heritage Library, digitized by Ernst Mayr Library, Harvard University.


    Further reading :

    Ian F.B. Common,
    Moths of Australia, Melbourne University Press, 1990, p. 64.

    Achille Guenée,
    Noctuidae,
    in Boisduval & Guenée : Histoire naturelle des insectes; spécies général des lépidoptères,
    Volume 9, Part 5 (1852), p.259, No. 410.


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    (updated 15 April 2013)