Orange Grass Dart
(previously known as Bibla anisomorpha)
HESPERIINAE, HESPERIIDAE, HESPERIOIDEA
(Photo: courtesy of Wes Jenkinson)
This Caterpillar is pale green with a brown dorsal line. The head is pale brown. The caterpillar has been found feeding on plants in the Grass family (POACEAE), including :
Silky Browntop ( Eulalia aurea ),
The caterpillar grows to a length of about 2 cms.
The adult butterflies of this species are dark brown on top with orange markings. The wingspan is usually a bit over 2 cms. The females are a little larger than the males, and have a more convex forewing margin.
Underneath, they are yellow with pale yellow markings, although the forewings are darker toward the trailing edges.
The species may be found in open eucalypt forest over the northern half of Australia, including:
Further reading :
Michael F. Braby,
Butterflies of Australia, CSIRO Publishing, Melbourne 2000, vol. 1, pp. 194-195.
Oswald B. Lower,
Revision of the Australian Hesperiadae,
Transactions of the Royal Society of South Australia,
Volume 35 (1911), p. 146, No. 68.
(updated 18 February 2010, 22 September 2013)