Hypomecis externaria (Walker, 1866)
(previously known as Tephrosia externaria)
Mahogany Bark Moth
BOARMIINI,   ENNOMINAE,   GEOMETRIDAE,   GEOMETROIDEA
 
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Cathy Byrne & Stella Crossley

Tephrosia externaria
male
(Photo: courtesy of Donald Hobern, Aranda, Australian Capital Territory)

The adult moths of this species are brown with a number of darker zigzag splotches on each wing. The wingspan is about 3 cms.

Tephrosia externaria
female
(Photo: courtesy of CBG Photography Group, Centre for Biodiversity Genomics, University of Guelph)

The species may be found in

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

    The genus in which this species is currently placed (Tephrosia) is inappropriate for this species and those currently named Boarmia phloeopa and Boarmia panconita. They should all be placed in a new as yet undescribed genus.


    Further reading :

    Marilyn Hewish,
    Moths of Victoria: Part 7,
    Bark Moths and Allies - GEOMETROIDEA (D)
    ,
    Entomological Society of Victoria, 2016, pp. 26-27.

    Francis Walker,
    Catalogue of Lepidoptera Heterocera,
    List of the Specimens of Lepidopterous Insects in the Collection of the British Museum,
    Part 35, Supplement 5 (1866), p. 1591.


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    (updated 21 June 2011, updated 16 July 2018)