Furcatrox australis (Rosenstock, 1885) Triple-pointed Cape-moth (formerly known as Odontopera australis) DIPTYCHINI,   ENNOMINAE,   GEOMETRIDAE,   GEOMETROIDEA

Don Herbison-Evans (donherbisonevans@yahoo.com) and Stella Crossley

female
(Photo: courtesy of E. Friedrich, Moths of Victoria: Part 5)

The adult moths of this species have brown wings, each with a black spot near the middle, and two crenulated transverse lines. The margins of the wings are scalloped. The hindwings have fainter patterns than the forewings. The females have thread-like antennae and the males have pectinated antennae. The wingspan is about 3 cms.

male, undersides of wings
(Photo: courtesy of E. Friedrich, Moths of Victoria: Part 5)

The species has been found in:

Tasmania.

drawing by Rudolph Rosenstock, listed as Odontopera australis,
Notes on Australian Lepidoptera, with descriptions of new species,
Annals and Magazine of Natural History, Volume 5, Part 16 (1885), Plate XI, fig. 9,
image courtesy of Biodiversity Heritage Library, digitized by Ernst Mayr Library, Harvard University.

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Further reading :

Marilyn Hewish,
Moths of Victoria: Part 5 - Satin Moths and Allies - GEOMETROIDEA (A),
Entomological Society of Victoria, 2014, pp. 8-9.

Rudolph Rosenstock,
Notes on Australian Lepidoptera, with descriptions of new species,
Annals and Magazine of Natural History,
Volume 5, Part 16 (1885), p. 428, No. 433, and also Plate 11, fig. 9.

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(written 6 January 2016, updated 11 March 2021)