Dysallacta negatalis (Walker, 1859)
 (one synonym : Botys monesusalis Walker, 1859)
SPILOMELINAE,   CRAMBIDAE,   PYRALOIDEA
 
Don Herbison-Evans
(donherbisonevans@yahoo.com)
and
Stella Crossley

Dysallacta negatalis
(Photo: courtesy of Graeme Cocks, Townsville, Queensland)

.

This adult moth has white forewings, each with several ragged pale brown submarginal bands outlined in dark brown, with a particularly dark mark near the centre of the costa. The hindwings are white with brown veins and two brown submarginal bands. Its wingspan is about 2 cms.

Dysallacta negatalis
(Photo: courtesy of Rosalie Neve, Queensland)

The species is found Africa and south-east Asia, including:

  • Hong Kong,
  • India,
  • Japan,
  • Sri Lanka,
  • Taiwan,
  • Zimbabwe

    and also in Australia in:

  • Western Australia,
  • Northern Territory,
  • Queensland, and
  • New South Wales.

    Dysallacta negatalis
    (Photo: courtesy of Bart Hacobian, Millaa Millaa, Queensland)

    Further reading:

    Francis Walker,
    Catalogue of Lepidoptera Heterocera. Pyralides,
    List of the Specimens of Lepidopterous Insects in the Collection of the British Museum,
    Part 17 (1859), pp. 468-469, No. 3.

    Francis Walker,
    Catalogue of Lepidoptera Heterocera. Pyralides,
    List of the Specimens of Lepidopterous Insects in the Collection of the British Museum,
    Part 17 (1859), p. 653, No. 184.

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    (updated 28 August 2009, 16 January 2025)