Diduga flavicostata (Snellen, 1878)
(erroneously: Diduga flavicosta)
LITHOSIINAE,   ARCTIIDAE,   NOCTUOIDEA
  
Don Herbison-Evans,
(donherbisonevans@outlook.com)
and
Stella Crossley

Diduga flavicostata
(Photo: courtesy of Dave Britton)

The adult moths of this species have forewings that are brown, each with an irregular pale-yellow border sometimes containing dark dots. The hindwings are plain brown or yellow. The wingspan is about 1 cm.

Diduga flavicostata
female, drawing by Pieter Cornelius Tobias Snellen, listed as Pitane flavicostata
,
Nieuwe Pyraliden op Celebes gevonden, Tijdschrift voor Entomologie,
Volume 22 (1878), Plate 10, fig. 8,
Image courtesy of Biodiversity Heritage Library, digitized by Smithsonian Libraries.

The species is found across south-east Asia, including:

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

    as well as in Australia in

  • Northern Territory.

    Diduga flavicostata
    underside of wings
    drawing by Pieter Cornelius Tobias Snellen, listed as Pitane flavicostata,
    Nieuwe Pyraliden op Celebes gevonden, Tijdschrift voor Entomologie,
    Volume 22 (1878), Plate 10, fig. 8,
    Image courtesy of Biodiversity Heritage Library, digitized by Smithsonian Libraries.


    Further reading :

    Pieter Cornelius Tobias Snellen,
    Nieuwe Pyraliden op Celebes gevonden,
    Tijdschrift voor Entomologie,
    Volume 22 (1878), pp. 92-93, No. 55, and also Plate 10, fig. 8.


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    (updated 1 May 2013, 27 October 2015, 16 January 2020)