Thallarcha lochaga (Meyrick, 1886)
 (formerly known as Comarchis lochaga)
LITHOSIINI,   ARCTIINAE,   EREBIDAE,   NOCTUOIDEA
  
Don Herbison-Evans,
(donherbisonevans@yahoo.com)
and
Stella Crossley

Thallarcha lochaga
(Photo: courtesy of David Fischer, Ballandean, Queensland)

The adult moths of this species have off-white forewings, each crossed by three dark brown stripes. The hindwings are pale yellow darkening towards the wingtips. The wingspan is about 2 cms.

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

The species has been found in :

  • Queensland,
  • New South Wales, and
  • Victoria.

    Thallarcha lochaga
    male, drawing by George F. Hampson    ,
    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 30,
    image courtesy of Biodiversity Heritage Library, digitized by Smithsonian Libraries.

    Further reading:

    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), p. 504, No. 1050, and also Plate 33, Figure 30.

    Edward Meyrick,
    Revision of Australian Lepidoptera I,
    Proceedings of the Linnean Society of New South Wales,
    Series 2, Volume 1, Part 3 (1886), p. 742, No. 78.

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    (written 7 February 2015, updated 16 November 2022)