Catoria delectaria (Walker, 1866)
(formerly known as Opthalmodes delectaria)
BOARMIINI,   ENNOMINAE,   GEOMETRIDAE,   GEOMETROIDEA
 
Don Herbison-Evans
(donherbisonevans@yahoo.com)
and
Stella Crossley

Catoria delectaria
(Photo: courtesy of Dick Whitford, Mt Molloy, Queensland)

The Caterpillars of this species are basically black, with an orange head and an orange tail, and a white line along each side. The only have 2 pairs of prolegs, so walk in a looper fashion.

Catoria delectaria
(Photo: courtesy of Dick Whitford, Mt Molloy, Queensland)

They have been found on the introduced:

  • Crepe Myrtle (Lagerstroemia indica, LYTHRACEAE).

    Catoria delectaria
    pupa
    (Photo: courtesy of Dick Whitford, Mt Molloy, Queensland)

    The caterpillars grow to a length of about 2.5 cms. They each pupate in a cocoon amongst the ground litter. The pupa is brown, and has a length of about 1.2 cms.

    Catoria delectaria
    (Photo: courtesy of Buck Richardson, Kuranda, Queensland)

    The moths are green with arcs of dark spots on each wing. The green fades to grey in dead specimens. The wingspan is about 4 cms.

    Catoria delectaria
    (Photo: courtesy of CSIRO/BIO Photography Group, Centre for Biodiversity Genomics, University of Guelph)

    The females have thread-like antennae.

    Catoria delectaria
    female, underside, showing thread-like antennae
    (Photo: courtesy of Dick Whitford, Mt Molloy, Queensland)

    The males have very feathery antennae up to about halfway, then thread-like distal halves.

    Catoria delectaria
    male, underside, showing partly feathery antennae
    (Photo: courtesy of Dick Whitford, Mt Molloy, Queensland)

    The species occurs across south-east Asia, including

  • Borneo,
  • New Guinea,
  • Singapore,
  • Sumatra,

    as well as in Australia: in

  • Queensland.


    Further reading :

    Buck Richardson,
    Tropical Queensland Wildlife from Dusk to Dawn Science and Art,
    LeapFrogOz, Kuranda, 2015, p. 60.

    Francis Walker,
    Catalogue of Lepidoptera Heterocera,
    List of the Specimens of Lepidopterous Insects in the Collection of the British Museum,
    Part 35, Supplement 5 (1866), pp. 1595-1596.


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    (updated 9 December 2010, 12 September 2021)