Cryptophasa balteata (Walker, 1866)
Gum Tree Borer Moth
(one synonym : Cryptophaga lurida Meyrick, 1890)
XYLORYCTIDAE ,   GELECHIOIDEA
 
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Stella Crossley

The Caterpillar of this species bores into young

  • Gum Trees ( Eucalyptus, MYRTACEAE ),

    feeding on the wood and the bark.

    Cryptophasa balteata
    Male, dark form
    (Specimen: courtesy of the Macleay Museum, University of Sydney)

    The adult moth has forewings that vary from satin white through yellow to dark gey, usually with three or four dark dots near the middle, and a row of dark dots along each margin. The hindwings are dark grey, fading at the margins. The body is black with an orange segment halfway along the abdomen.

    Cryptophasa balteata
    Male, white form

    The males are smaller than the females and have thicker antennae. They have a wingspan of about 3 cms.

    Cryptophasa balteata
    Male, white form
    (Specimen: courtesy of the Macleay Museum, University of Sydney)

    They females have a wingspan of about 5 cms.

    Cryptophasa balteata
    Female
    (Specimen: courtesy of the Macleay Museum, University of Sydney)

    The species is found in the south-east quarter of Australia, including

  • Queensland,
  • New South Wales,
  • Victoria, and
  • South Australia.


    Further reading :

    Ian F.B. Common,
    Moths of Australia,
    Melbourne University Press, 1990, pl. 6.7, p. 230.

    Ian McMillan,
    Cryptophasa balteata, Xyloryctine Moths of Australia,
    Blog, Saturday, September 18, 2010.


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    (updated 22 April 2009)