Assara seminivale (Turner, 1904)
Macadamia Kernel Grub
(previously known as Cateremna seminivale)
PHYCITINI ,   PHYCITINAE ,   PYRALIDAE ,   PYRALOIDEA
 
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Stella Crossley


(Photo: Don Herbison-Evans, Bundaberg, Queensland)

The caterpillars of this species have been found feeding on the seeds in the fruit of:

  • Mango ( Mangifera indica, ANACARDIACEAE ), and
  • Looking-glass Mangrove ( Heritiera littoralis, MALVACEAE ),

    and in particular the caterpillars are a pest attacking the kernels of

  • Macadamia Nut ( Macadamia integrifolia, PROTEACEAE ),

    The caterpillars often live communally with several other siblings in the same fruit.


    (Photo: Don Herbison-Evans, Bundaberg, Queensland)

    It grows to a length of about 1 cm.

    It often pupates inside the hard cased nut. The pupa also has a length of about 1 cm.


    (Photo: Don Herbison-Evans, Bundaberg, Queensland)

    The adult moth has dark brown fore wings with a black mark half way along the costa, and a black tip. The hind wings are fawn with dark veins. It has a wing span of about 2 cms.


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

    The species occurs

  • Queensland.


    underside
    (Photo: courtesy of Graeme Cocks, Townsville, Queensland)


    Further reading

    Marianne Horak,
    Identity of Two Phycitine Pests on Macadamia (Lepidoptera: Pyralidae: Phycitinae),
    Australian Journal of Entomology,
    Volume 33, Issue 3 (1994), pp. 235-244.

    A. Jefferis Turner,
    A preliminary revision of the Australian Thyrididae and Pyralidae. Part I,
    Proceedings of the Royal Society of Queensland,
    Volume 18 (1904), pp. 129-130.


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    (updated 14 January 2005, 24 January 2013)