Amata trigonophora (Turner, 1898) (previously known as Hydrusa trigonophora) SYNTOMIINI,   CTENUCHINI,   ARCTIINAE,   EREBIDAE,   NOCTUOIDEA

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

(Photo: courtesy of Donald Hobern, Aranda, Australian Capital Territory)

The adult moth of this species has wings that are black with elongated yellow spots. In this species: the yellow spot nearest each forewing tip is often split by a black vein, and the hindwings each have two large yellow patches. The head, mesothorax, and metathorax are black, and the prothorax is yellow. The abdomen has transverse black and yellow bands. The wingspan is about 3 cms.

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

Specimens have been taken in

South Australia.

Photo by A. Jefferis Turner, listed as Hydrusa trigonophora,
Notes on Australian Lepidoptera, Transactions of the Royal Society of South Australia,
Volume XXII (1898), Plate V, fig. 7,
image courtesy of Biodiversity Heritage Library, digitized by Ernst Mayr Library, Harvard University.

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Further reading :

Peter Marriott,
Moths of Victoria - Part 2,
Tiger Moths and Allies - NOCTUOIDEA (A),
Entomological Society of Victoria, 2009.

A. Jefferis Turner,
Notes on Australian Lepidoptera,
Transactions of the Royal Society of South Australia,
Volume 22 (1898), p. 97, and also Plate 5, fig. 7.

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(updated 4 March 2012, 27 January 2016, 4 December 2020)