Calamotropha leptogrammellus (Meyrick, 1879)
Grass Webworm
(mistakenly known as Chilo parramattellus)
CRAMBINAE,   CRAMBIDAE,   PYRALOIDEA
 
Don Herbison-Evans,
(donherbisonevans@yahoo.com)
and
Stella Crossley

Calamotropha leptogrammellus
(Photo: courtesy of Graeme Cocks, Townsville, Queensland)

These Caterpillars live in a shelter constructed from the leaves of their foodplant webbed together with silk. The caterpillars feed on

  • Nut Grass ( Cyperus species, CYPERACEAE ).

    Calamotropha leptogrammellus
    (Photo: courtesy of CSIRO/BIO Photography Group, Centre for Biodiversity Genomics, University of Guelph)

    The adult moth has pale brown forewings, each sometimes with many narrow longitudinal stripes, a submarginal arc of black dots, and a black dot near the middle. The hindwings are off-white. The wingspan is about 1.5 cms.

    The species is found in

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

    Meyrick originally described and named a pair of male and female moths as Chilo paramattellus. When he later obtained a true female of Chilo paramattellus and also a male to match the odd female, he chose to rename that first female and the new male with the new name Chilo leptogrammellus.


    Further reading :

    Edward Meyrick,
    Descriptions of Australian Micro-lepidoptera II: Crambites,
    Proceedings of the Linnean Society of New South Wales,
    Series 1, Volume 4, Part 2 (1879), pp. 206-207.


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    (written 20 January 2013, updated 7 May 2018, 21 May 2021)