Omiodes diemenalis (Guenée, 1854)
Bean Leafroller
(one synonym : Asopia lydialis Walker, 1859)
SPILOMELINAE ,   CRAMBIDAE ,   PYRALOIDEA
 
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Stella Crossley

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

This species of Caterpillar is a pest on various types of Bean ( FABACEAE ), such as

  • Soybeans ( Glycine max ),
  • Garden Beans ( Phaseolus vulgaris ), and
  • Mung Beans ( Vigna radiata ).

    It lives in a shelter made from a rolled up leaf.

    Omiodes diemenalis
    mating pair
    (Photo: courtesy of Ian McMillan, Imbil, Queensland)

    The adult moth is yellow, with brown broad wavy bands and spots. It has a wingspan of about 2 cms.

    Omiodes diemenalis
    underside
    (Photo: courtesy of Graeme Cocks, Townsville, Queensland)

    It is found in south-east Asia across to the western Pacific, including:

  • Cook Islands,
  • Hong Kong,
  • Sri Lanka,
  • Thailand,

    and in Australia including:

  • Northern Territory, and
  • Queensland.


    Further reading :

    Ian F.B. Common,
    Moths of Australia,
    Melbourne University Press, 1990, pl. 9.5, p. 357.

    Achille Guenée,
    Deltoïdes et Pyralites,
    in Boisduval & Guenée :
    Histoire naturelle des insectes; spécies général des lépidoptères,
    Volume 9, Part 8 (1854), p. 203, No. 151.

    Peter Hendry,
    The Night of the Crambidae,
    Butterfly and Other Invertebrates Club Newslettter,
    Issue 49 (June 2008), pp. 26-29.

    Buck Richardson,
    Tropical Queensland Wildlife from Dusk to Dawn Science and Art,
    LeapFrogOz, Kuranda, 2015, p. 44.


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    (updated 30 January 2013, 13 October 2014)