Idiodes apicata Guenée, 1857
(one synonym : Idiodes mitigata Guenée, 1857)
Bracken Moth
LITHININI ,   ENNOMINAE ,   GEOMETRIDAE ,   GEOMETROIDEA
 
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Stella Crossley

Idiodes apicata
(Photo: courtesy of Joan Fearn, Moruya, New South Wales)

The Caterpillars of this species feed on :

  • Bracken ( Pteridium esculentum, POLYPODIOPHYTA ).

    The adult moth of this species is brown with varied marking markings often including a line or line of dots from the wingtip to midway along the inner margin on each forewing, and a similar submarginal line on the each hindwing. Underneath, there is a large dark spot near the middle of each hindwing. The forewings have hooktips. The wingspan is about 4 cms.

    The adult moths can be distinguished from those of the similar species Idiodes siculoides by the absence of a white transverse line on top of the head joining the antennae.

    The species occurs over the southern half of Australia, including:

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

    Idiodes apicata
    underside
    (Photo: courtesy of Joan Fearn, Moruya, New South Wales)


    Further reading :

    Ian F.B. Common,
    Moths of Australia, Melbourne University Press, 1990, fig. 35.3, p. 366.

    Achille Guenée,
    in Boisduval & Guenée: Uranides et Phalénites,
    Histoire naturelle des insectes; spécies général des lépidoptères,
    Volume 9, Part 9 (1857), p. 40, No. 25, and also Plate 13, fig. 1.

    Marilyn Hewish,
    Moths of Victoria: Part 7,
    Bark Moths and Allies - GEOMETROIDEA (D)
    ,
    Entomological Society of Victoria, 2016, pp. 8-9.


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    (updated 20 July 2013)