Atkinsia dominula (Plötz, 1884)
Two-brand Grass-skipper
(one synonym : Telesto drachmophora Meyrick, 1885)
TRAPEZITINAE,   HESPERIIDAE,   HESPERIOIDEA
 
Don Herbison-Evans
(donherbisonevans@yahoo.com)
and
Stella Crossley

Anisynta dominula
(Photo: courtesy of Martin Purvis, Sydney)

This Caterpillar is dark green colour with a darker dorsal line, and a black head. It feeds nocturnally on

  • Tussock Grass ( Poa species, POACEAE ).

    It lives and pupates in a shelter formed by joining several grass stems together with silk in the middle of a tussock. In due course, it pupates in this same shelter.

    Anisynta dominula female
    female
    (Photo: courtesy of CSIRO/BIO Photography Group, Centre for Biodiversity Genomics, University of Guelph)

    The adult butterfly is dark brown with several white spots on each forewing. Underneath, the forewings have a similar pattern, but the hindwings are have arcs of white spots. There is a chequered termen to both surfaces each wing, which is broader in the females.

    Anisynta dominula male
    male
    (Photo: courtesy of CSIRO/BIO Photography Group, Centre for Biodiversity Genomics, University of Guelph)

    The males have a sex brand on the upper forewing surfaces consisting of a short diagonal black line. The wing span is about 2 cms.

    Anisynta dominula egg
    > egg, magnified
    (Photo: courtesy of Ken Walker, Barrington Tops, New South Wales)

    The eggs are shaped like tall domes, with 17 or so vague ribs. The eggs are off-white, developing coloured markings as hatching approaches, The eggs have a diameter of about 1 mm, and a height of about 1 mm. They are laid singly on a leaf or stem of a foodplant.

    The species may be found as five subspecies in Australia, in the mountains of :

  • New South Wales,
  • Victoria and
  • Tasmania :

    namely:

  • dominula,
  • drachmophora (Meyrick, 1885),
  • draco Waterhouse, 1938,
  • dyris Waterhouse, 1938, and
  • pria Waterhouse, 1932.

  • Further reading :

    Michael F. Braby,
    Butterflies of Australia, CSIRO Publishing, Melbourne 2000, vol. 1, pp 119-120.

    Carl Plötz,
    Die Hesperiinen-Gattung Telesto Bsd., und ihre Arten,
    Stettiner Entomologische Zeitung,
    Volume 45, Sections 10–12 (1884), p. 379, No. 10.


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    (updated 1 May 2008, 5 January 2024)