Antictenia torta L.B. Prout, 1921 OENOCHROMINAE,   GEOMETRIDAE,   GEOMETROIDEA

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

(Photo courtesy of Paul Kay, south-west of Western Australia)

The adult moths are brown, with the wings each crossed by a dark diagonal line. Each wing also has a dark spot near the middle of the costa. The forewing tips are recurved, and all the wing margins are scalloped, The hindwing margins each have a cusp. The wingspan is about 4 cms.

female
(Photo courtesy of Paul Kay, south-west of Western Australia)

The female has thread-like antennae. The male has a thinner abdomen than the female, and has feathery antennae.

male
(Photo courtesy of Paul Kay, south-west of Western Australia)

The undersides are similar to the upper surfaces.

underside
(Photo courtesy of Paul Kay, south-west of Western Australia)

The species occurs in the forest areas of

the south of Western Australia.

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Further reading :

Louis Beethoven Prout,
Geometridae,
in Adalbert Seitz: Die Gross-Schmetterling der Erde,
Volume 12 (1921), pp. 22-23.

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(written 30 August 2022))