Pelopidas agna (Moore, 1866)
Common Swift
(previously known as Hesperias agna)
HESPERIINAE ,   HESPERIIDAE ,   HESPERIOIDEA
  
Don Herbison-Evans,
(donherbisonevans@outlook.com)
and
Stella Crossley

Pelopidas agna
(Photo: courtesy of Wes Jenkinson)

This Caterpillar is green, with green dots, and two yellow dorsolateral lines. The head is green with two brown stripes. It feeds on various grasses ( POACEAE ) such as :

  • Australian Swamp Grass ( Ischaemum australe ),
  • Russell River Grass ( Paspalum paniculatum ),
  • Rice ( Oryza sativa ), and
  • Sorghum ( Sorghum bicolor ).

    Pelopidas agna
    (Specimen: courtesy of The Australian Museum)

    The adult butterfly is dark brown with a series of white spots on each fore wing. The wing span is about 3 cms.

    Pelopidas agna
    underside
    (Specimen: courtesy of The Australian Museum)

    Various sub-species are found all over south-east Asia, including

  • Hong Kong,
  • Nepal, and
  • Sri Lanka,

    and the subspecies dingo is found in Australia in:

  • Western Australia,
  • Northern Territory, and
  • Queensland.

    Pelopidas agna
    (Photo: courtesy of Martin Purvis, Sydney, New South Wales)


    Further reading :

    Michael F. Braby,
    Butterflies of Australia, CSIRO Publishing, Melbourne 2000, vol. 1, pp. 240-241.

    Frederic Moore,
    On the Lepidopterous Insects of Bengal,
    Proceedings of the Zoological Society of London,
    Volume 3 (1865), pp. 791-792.


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    (updated 23 January 2010, 28 September 2013)