ns Oenosandra boisduvalii
 
Oenosandra boisduvalii Newman, 1856
Boisduval's Autumn Moth
(one synonym : Pterygosoma squamipunctum, R.Felder, 1874)
OENOSANDRIDAE ,   NOCTUOIDEA
 
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Stella Crossley

Oenosandra boisduvalii
(Photo: by David Carter, Natural History Museum, London, courtesy of Denys Long, East Sussex)

The caterpillar of this species is dark grey, with white spots and sparse stiff white hairs, and has a brown head. It hides by day in groups under loose bark and feeds nocturnally on :

  • various species of Gum Trees ( Eucalyptus, MYRTACEAE ),

    Oenosandra boisduvalii
    (Photo: courtesy of Nora Peters, Toolern Vale, near Melton, Victoria)

    The adult moths have a wingspan of about 5 cms. Originally, the male and female moths were thought to be different species because they look so different.

    Oenosandra boisduvalii
    Female
    (Specimen: courtesy of the Macleay Museum, University of Sydney)

    The female adult moth is white with a broad black line along each forewing ending in a black bar at the base. The body has alternate black and orange bands.

    Oenosandra boisduvalii
    Male
    (Specimen: courtesy of the Macleay Museum, University of Sydney)

    The male has fawn forewings speckled with black dots, and has pale hindwings.

    Oenosandra boisduvalii Oenosandra boisduvalii

    (Photos : courtesy of Lorraine Jenkins and Sam,
    Port Lincoln Junior Primary School, South Australia)

    The species is found over the southern half of Australia, including

  • New South Wales,
  • Victoria,
  • Tasmania,
  • South Australia, and
  • Western Australia.

    Oenosandra boisduvalii
    eggs (magnified)
    (Photo : courtesy of Lorraine Jenkins, Port Lincoln Junior Primary School, South Australia)

    The eggs of this species are white and oval. They are laid in small groups and covered in hairs by the female moth.

    Oenosandra boisduvalii
    Female laying eggs on a She-Oak
    (Photo: courtesy of Eileen Collins, Chiltern, Victoria)


    Further reading :

    David Carter,
    Butterflies and Moths, Collins Eyewitness Handbooks, Sydney 1992, p. 249.

    Ian F.B. Common,
    Moths of Australia, Melbourne University Press, 1990, figs. 42.13, 42.14, pl.30.6, p. 424.

    Peter Marriott,
    Moths of Victoria - Part 2,
    Tiger Moths and Allies - NOCTUOIDEA (A)
    ,
    Entomological Society of Victoria, 2009, pp. 5-7.

    Edward Newman,
    Characters of a few Australian Lepidoptera, Collected by Mr. Thomas R. Oxley,
    Transactions of the Entomological Society of London,
    New Series, Volume III, Number 8 (1856), p. 286.

    Paul Zborowski and Ted Edwards,
    A Guide to Australian Moths, CSIRO Publishing, 2007, p. 172.


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    (updated 16 March 2012)