Cyana obscura (Hampson, 1900)
(one synonym : Neobrocha phaeocyma Meyrick, 1886)
LITHOSIINAE,   ARCTIIDAE,   NOCTUOIDEA
  
Don Herbison-Evans,
(donherbisonevans@outlook.com)
and
Stella Crossley

Cyana obscura
(Photo: courtesy of Buck Richardson, Kuranda, Queensland)

The adult moths of this species have yellow or brown forewings each having five submarginal areas each sometimes delineated by a dark zigzag line, and sometimes containing one or two dark spots. The hindwings are plain pale brown with dark margins. The wingspan of the males is about 2.5 cms. The wingspan of the females is about 3 cms.

Cyana obscura
male, drawing by George F. Hampson, listed as Neobrocha phaeocyma
,
Catalogue of the Arctiadæ (Nolinæ, Lithosianæ) in the Collection of the British Museum,
Catalogue of the Lepidoptera Phalænæ in the British Museum,
Volume II (1900), Plate XXXIII, Figure 2,
image courtesy of Biodiversity Heritage Library, digitized by Smithsonian Libraries.

The species is found in Australia, including:

  • Thursday Island, and
  • Queensland.


    George F. Hampson,
    Catalogue of the Arctiadae (Nolinae, Lithosianae) in the Collection of the British Museum,
    Catalogue of the Lepidoptera Phalaenae in the British Museum,
    Volume 2 (1900), pp. 301-302, No. 632,, and also pp. 498-499, No. 1068,, and also Plate 33, Figure 2.

    Edward Meyrick,
    Revision of Australian Lepidoptera I,
    Proceedings of the Linnean Society of New South Wales,
    Series 2, Volume 1, Part 3 (1886), p. 708, No. 28.


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    (updated 7 May 2011, 2 February 2015)