Trischalis aureoplagiata (Rothschild, 1913)
(previously known as Eugoa aureoplagiata)
LITHOSIINAE,   ARCTIIDAE,   NOCTUOIDEA
  
Don Herbison-Evans,
(donherbisonevans@outlook.com)
and
Stella Crossley

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

The adult moths of this species are, in general, shiny yellow. The forewings have brown markings with a purple sheen, sometimes extending over most of each forewing, but sometimes reduced to arcs and crescents.

Trischalis aureoplagiata
(Photo: courtesy of Dave Britton)

A constant feature is a yellow semi-circle on the middle of each forewing hind margin. When the moth is at rest with the forewings closed together, these semi-circles appear to join to make a full yellow circle. The wingspan is about 2.5 cms.

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

The species has been found in :

  • New Guinea,

    as well as in Australia in

  • Queensland.


    Further reading:

    Lionel Walter Rothschild,
    New Lithosianae (cont.),
    Novitates Zoologicae,
    Volume 20 (1913), p. 222, No. 324.


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    (written 13 March 2019)