Diasemiopsis ramburialis (Duponchel, 1834)
 (one synonym : Isopteryx melaleucakis Walker, 1859)
SPILOMELINAE,   CRAMBIDAE,   PYRALOIDEA
 
Don Herbison-Evans
(donherbisonevans@yahoo.com)
and
Stella Crossley

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

The moths of this species are speckled grey or brown, with two broad ragged white lines across each wing.

Diasemiopsis ramburialis
female, drawing by Philogène Auguste Joseph Duponchel, listed as Hydrocampa ramburialis,
in J.B. Godart & P.A.J. Duponchel: Histoire naturelle des Lépidoptères ou Papillons de France,
Volume 7, Part 1 (1834), Plate CXXXIII, fig. 6,
image courtesy of Biodiversity Heritage Library, digitized by Smithsonian Libraries.

The species has been found in Europe, Africa, and Asia, including :

  • Azores,
  • Cook Islands,
  • India,
  • Papua New Guinea,
  • Taiwan
  • Tanzania,
  • U.K.,

    as well as in Australia in

  • Queensland,
  • New South Wales,
  • Australian Capital Territory, and
  • Victoria.

    Further reading

    Philogène Auguste Joseph Duponchel,
    Nocturnes 4,
    in J.B. Godart & P.A.J. Duponchel:
    Histoire naturelle des Lépidoptères ou Papillons de France,
    Volume 7, Part 1 (1834), p. 343, and Plate 233, fig. 6.

    Buck Richardson,
    Tropical Queensland Wildlife from Dusk to Dawn Science and Art,
    LeapFrogOz, Kuranda, 2015, p. 36.

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    (updated 17 March 2012, 7 November 2025)