Acontia elaeoa (Hampson, 1910)
(previously known as Tarache elaeoa)
BOLETOBIINAE,   EREBIDAE,   NOCTUOIDEA
 
Don Herbison-Evans
(donherbisonevans@yahoo.com)
and
Stella Crossley

Acontia elaeoa
(Photo: courtesy of Dick Whitford, Mt Molloy, Queensland)

The Caterpillars of this species are black with yellow and white spots. The caterpillars only have two pairs of prolegs, and walk in a looper fashion.

Acontia elaeoa
(Photo: courtesy of Dick Whitford, Mt Molloy, Queensland)

Early instars have a raised white spot in the middle of what seems to be the forehead. In later instars: this spot becomes brown.

Acontia elaeoa
late instar, close-up of head
(Photo: courtesy of Dick Whitford, Mt Molloy, Queensland)

The caterpillars feed on

  • Flannel Weed (Sida cordifolia, MALVACEAE).

    The caterpillars grow to a length of about 2.5 cms. Each pupates in a cocoon covered in soil.

    Acontia elaeoa
    (Photo: courtesy of Dick Whitford, Mt Molloy, Queensland)

    The adult moths of this species have blotchy dark brown forewings, each with several pale blotches along the costa.

    Acontia elaeoa
    (Photo: courtesy of Dick Whitford, Mt Molloy, Queensland)

    The hindwings are off-white, shading to dark brown at the margin. The moth has a wingspan of about 2.5 cms.

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

    The species is found in Australia in

  • Western Australia,
  • Northern Territory, and
  • Queensland.

    Acontia elaeoa
    male, drawing by George Francis Hampson, listed as Tarache elaeoa,

    Catalogue of Lepidoptera Phalænæ in the British Museum,
    Noctuidæ, Volume X (1910), Plate CLXXII, fig. 10,
    image courtesy of Biodiversity Heritage Library, digitized by Ernst Mayr Library, Harvard University.

    Acontia elaeoa
    underside
    (Photo: courtesy of Dick Whitford, Mt Molloy, Queensland)


    Further reading :

    George F. Hampson,
    Catalogue of the Lepidoptera Phalænæ in the British Museum,
    Catalogue of the Noctuidae in the Collection of the British Museum,
    Volume 10 (1910), p. 751, No. 6128, and also Plate 172, fig. 10.

    Buck Richardson,
    Tropical Queensland Wildlife from Dusk to Dawn Science and Art,
    LeapFrogOz, Kuranda, 2015, p. 112.


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    (updated 28 May 2013, 27 August 2023)