Praxis difficilis (Walker, 1858)
Enigmatic Praxis
(formerly known as Corrha difficilis)
CALPINAE,   EREBIDAE,   NOCTUOIDEA
  
Don Herbison-Evans,
(donherbisonevans@outlook.com)
and
Stella Crossley

Praxis difficilis
(Photo: courtesy of the Photography Group, Centre for Biodiversity Genomics, University of Guelph)

These adult moths have dark grey forewings crossed by brown broken serrated lines. The hindwings are paler with a similar but muted pattern. A wavy pale line runs around all the margins, accompanied by a submarginal arc of dark spots. The forewing costas are slightly concave. The wing margins are scalloped. The wingspan is up to 4 cms.

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

The species occurs in :

  • New South Wales,
  • Australian Capital Territory,
  • Victoria, and
  • Tasmania.


    Further reading :

    Peter Marriott,
    Moths of Victoria - Part 8,
    Night Moths and Allies - NOCTUOIDEA(B)
    ,
    Entomological Society of Victoria, 2017, pp. 14-15.

    Francis Walker,
    Noctuidae,
    List of the Specimens of Lepidopterous Insects in the Collection of the British Museum,
    Part 13 (1858), p. 1090, No. 1.


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    (written 13 May 2019)