Synemon discalis Strand, 1911
Small Orange-spotted Sun Moth
CASTNIIDAE,   SESIOIDEA
 
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Stella Crossley


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

These Caterpillars have been found feeding on plants in CYPERACEAE, including

  • Desert Saw-sedge ( Gahnia lanigera ), and
  • Black Rapier Sedge ( Lepidosperma carphoides ).

    The early instars feed on the roots underground, and may take two to three years to mature.


    Drawing by Embrik Strand
    ,
    Synemon - Epicop, Indo-Australian Bombyces and Sphinges,
    in Adalbert Seitz (ed.): The Macrolepidoptera of the World,
    Stuttgart : Alfred Kernen Verlag, Volume 10 (1933), Plate 9, fig b4,
    image courtesy of Biodiversity Heritage Library,
    digitized by Natural History Museum Library, London.

    The adult moths of this species have brown forewings each traversed by variable vague pale bands, and dark brown hindwings with orange markings. The wingspan is about 3 cms.

    The species is found in

  • Victoria,
  • South Australia, and
  • Western Australia.


    underside
    Drawing by Embrik Strand
    ,
    Synemon - Epicop, Indo-Australian Bombyces and Sphinges,
    in Adalbert Seitz (ed.): The Macrolepidoptera of the World,
    Stuttgart : Alfred Kernen Verlag, Volume 10 (1933), Plate 9, fig b4,
    image courtesy of Biodiversity Heritage Library,
    digitized by Natural History Museum Library, London.


    Further reading

    Embrik Strand,
    Bombyces and Sphinges of the Indo-Australian Region,
    in Adalbert Seitz (ed.):
    The Macrolepidoptera of the World,
    Stuttgart : Alfred Kernen Verlag, Volume 10 (1933), p. 2, and also Plate 9, fig b4.


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    (written 27 August 2018, updated 28 August 2018)