Aloa costalis

Aloa costalis Walker, [1865]
(one synonym : Aloa corsina, Swinhoe, 1892)
ARCTIINI, ARCTIINAE, EREBIDAE, NOCTUOIDEA

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

Aloa costalis
(Photo: courtesy of Buck Richardson, Kuranda, Queensland)

The adult moth of this species has white or yellow forewings with black markings, including black dashed marginal and submarginal arcs. The forewings also each have a reddish costa.

(Photo: courtesy of Buck Richardson, Kuranda, Queensland)

The hindwings are white or yellow, each with a broad black margin and a large black spot on the middle. The moth has a red or brown abdomen with black dorsal dashes. The wingspan is about 4 cms.

yellow form
(Photo courtesy of Mark Heath, collected by J&A Koeyers, Palm Island, Western Australia)

The species is found in

Western Australia,

Northern Territory, and

Queensland.

male, drawing by Charles Swinhoe, listed as Aloa corsina,
Catalogue of eastern and Australian Lepidoptera Heterocera in the collection of the Oxford University Museum,
Part 1: Sphinges and Bombyces (1892), Plate IV, Fig. 1,
Image courtesy of Biodiversity Heritage Library, digitized by Smithsonian Libraries.

Further reading :

Buck Richardson,
Tropical Queensland Wildlife from Dusk to Dawn Science and Art,
LeapFrogOz, Kuranda, 2015, p. 13.

Charles Swinhoe,
Sphinges and Bombyces,
Catalogue of eastern and Australian Lepidoptera Heterocera in the collection of the Oxford University Museum,
Clarendon Press, Part 1 (1892), pp. 171-172, No. 791, and also Plate 4, Fig. 1.

Francis Walker,
Catalogue of Lepidoptera Heterocera,
List of the Specimens of Lepidopterous Insects in the Collection of the British Museum,
Part 31 (1865), p. 301.

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(written 28 March 2015, updated 23 April 2019, 3 December 2020)