Dysgonia solomonensis (Hampson, 1913)
(also known as Bastilla solomonensis)
Don Herbison-Evans
Stella Crossley

early instar
(Photo: Don Herbison-Evans, Bundaberg, Queensland)

This Caterpillar is a contortionist. It is inclined to rest lying along the edge of a leaf. even if that edge is concave. It has been found on

  • Willgar ( Breynia oblongifolia, PHYLLANTHACEAE ).

    (Photo: Don Herbison-Evans, Bundaberg, Queensland)

    The early instars are a translucent pale green with a black spot each side of the second abdominal segment, and a pale brown head. The first pair of prolegs is underdeveloped, so that it moves in a looper fashion.

    later instar

    Later instars are opaque and fawn with dark speckles, with a pair of small horns on the last abdominal segment.

    last instar

    The last instar is uniformly fawn with dark spiracles. The caterpillar grows to a length of about 4 cms.

    (Photo: Don Herbison-Evans, Bundaberg, Queensland)

    The adult moth is light and dark brown in a pattern on the forewings that resembles distinctive eye and eyebrow markings.

    (Photo: courtesy of Buck Richardson, Kuranda, Queensland)

    The markings are much less striking in a set specimen. The moths have a wingspan of about 6 cms.

    female, drawing by George Francis Hampson, listed as Parallelia solomonensis
    Catalogue of Lepidoptera Phalænæ in the British Museum,
    Noctuidæ, Volume XII (1913), Plate CCXXII, figure 2,
    image courtesy of Biodiversity Heritage Library, digitized by Ernst Mayr Library, Harvard University.

    The species is found in Australasia, including

  • New Guinea, and
  • Solomons.

    The subspecies papuana (Holloway, 1979) is found in Australia in

  • Queensland, and
  • New South Wales.

    Further reading :

    Ian F.B. Common,
    Moths of Australia,
    Melbourne University Press, 1990, fig. 46.7, 55.8, p. 453.

    George F. Hampson,
    Catalogue of the Noctuidae in the Collection of the British Museum,
    Catalogue of the Lepidoptera Phalaenae in the British Museum,
    Volume 12 (1913), p. 572, No. 7712, and also Plate CCXXII, figure 2.

    Buck Richardson,
    Tropical Queensland Wildlife from Dusk to Dawn Science and Art,
    LeapFrogOz, Kuranda, 2015, p. 129.

    Australian Butterflies
    Australian Moths

    (updated 3 January 2013, 10 April 2017)