Casbia pallens Turner, 1947 Pale Casbia CABERINI,   ENNOMINAE,   GEOMETRIDAE,   GEOMETROIDEA

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

male
(Photo: courtesy of Con Boekel, Yarralumla, Australian Capital Territory)

The moths of this species are unusual, often resting head down.

male
(Photo: courtesy of Marilyn Hewish, Moths of Victoria: Part 7)

The moths are pale grey or brown, each wing having variable markings, often including a a black dot near the middle of each wing, and an open trident mark near the middle of each forewing There is a line of black dots or dashes around each wing margin. The wingspan is about 2 cms.

female, digitally repaired
(Photo: courtesy of CSIRO/BIO Photography Group, Centre for Biodiversity Genomics, University of Guelph)

The species occurs in

Victoria.

underside
(Photo: courtesy of Con Boekel, Yarralumla, Australian Capital Territory)

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Further reading :

Marilyn Hewish,
Moths of Victoria: Part 7,
Bark Moths and Allies - GEOMETROIDEA (A),
Entomological Society of Victoria, 2016, pp. 12-13.

A. Jefferis Turner,
New Australian species of Boarmiadae (Lepidoptera),
Proceedings of the Royal Society of Queensland,
Volume 58 (1947), p. 96, No. 60.

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(written 22 March 2018, updated 29 July 2018, 17 January 2022)