Epidesmia tryxaria (Guenée, 1857)
Neat Epidesmia
 (previously known as Panagra tryxaria)
OENOCHROMINAE,   GEOMETRIDAE,   GEOMETROIDEA
 
Don Herbison-Evans
(donherbisonevans@yahoo.com)
and
Stella Crossley

Epidesmia tryxaria
female
(Photo: courtesy of Joan Fearn, Moruya, New South Wales)

The adults are pale brown, each forewing having two arcs of dark spots, one arc each side of a straight shaded dark line parallel to the margin. The labial palps are dark in this species. The moths have a wingspan of about 3 cms.

Epidesmia tryxaria
male, underside
(Photo: courtesy of Laura Levens, Upper Beaconsfield, Victoria)

The underside has the same dots as the upperside, but not the dark bands.

This species occurs in:

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

    Epidesmia tryxaria
    male, head, magnified
    (Photo: courtesy of Laura Levens, Upper Beaconsfield, Victoria)

    Further reading :

    Achille Guenée,
    Uranides et Phalénites,
    in Boisduval & Guenée:
    Histoire naturelle des insectes; spécies général des lépidoptères,
    Volume 9, Part 10 (1857), p. 128, No. 1124.

    Peter Hendry,
    The genus Epidesmia (Lepidoptera: Geometridae),
    Butterflies and Other Invertebrates Club,
    Metamorphosis Australia,
    Issue 102 (December 2021), pp. 34-39.

    Peter Marriott,
    Moths of Victoria: Part 4,
    Emeralds and Allies - GEOMETROIDEA (B)    ,
    Entomological Society of Victoria, 2012, pp. 18-19.

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    (updated 20 April 2012, 16 August 2024)