Antipodia chaostola (Meyrick, 1888)
Heath Sand-skipper
(previously known as Telsto chaostola)
TRAPEZITINAE,   HESPERIIDAE,   HESPERIOIDEA
 
Don Herbison-Evans
(donherbisonevans@yahoo.com)
and
Stella Crossley

This Caterpillar is yellowish with a red prothorax, and a dark dorsal line. The head is hairy and dark brown with two pale bands. The caterpillar grows to a length of about 3 cms. By day it rests head down in a conical shelter made from foodplant leaves joined by silk. The entrance is at the bottom. It feeds nocturnally on various species of Sword Grass (CYPERACEAE) including :

  • Tufted Perennial Grass ( Gahnia filifolia ),
  • Cutting Grass ( Gahnia grandis ),
  • Slender Saw-sedge ( Gahnia microstachya ),
  • Thatch Saw Sedge ( Gahnia radula ), and
  • Red Fruit Saw Sedge ( Gahnia sieberiana ).

    Antipodia chaostola
    (Photo: courtesy of Museums Victoria)

    The pupa is formed in the shelter, head down.

    When it emerges, the adult butterfly on top is dark brown with several white spots on each forewing. There is a suffused yellow patch on each hindwing. The males have a black patch on each forewing.

    Antipodia chaostola
    underside
    (Photo: courtesy of Museums Victoria)

    Underneath, the wings are black with a grey wingtip, a pale yellow triangle extending from the base to halfway along the costa, and several white spots. The hindwings underneath are grey with a number of indistinct outlined grey spots. The wingspan is about 3 cms.

    Antipodia chaostola
    egg, magnified
    (Photo: courtesy of , Ken Walker, Kingston, Rasmania)

    The eggs are dome shaped with minute ribs, with a diameter of about 1.3 mm. The eggs are yellowish, developing pink areas as hatching approaches. They are laid singly on a leaf of a foodplant.

    The species may be found in small pockets as several races :

  • chaostola in New South Wales,
  • chares Waterhouse, 1933, in Victoria, and
  • leucophaea Couchman, 1946, in Tasmania (endangered species).


    Further reading :

    Michael F. Braby, Butterflies of Australia, CSIRO Publishing, Melbourne 2000, vol. 1, pp. 168-169.

    Edward Meyrick,
    Descriptions of new Australian Rhopalocera,
    Proceedings of the Linnean Society of New South Wales,
    Series 2, Volume 2 (1888), p. 830.


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    (updated 2 May 2005, 22 September 2013, 17 May 2020, 4 September 2021)