Picrostomastis marginepunctalis (Leech, 1889)
(one synonym: Hypolamprus pallescens Hampson, 1897)
SICULODINAE,   THYRIDIDAE,   THYRIDOIDEA
 
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Stella Crossley

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

The adult moths are pale brown with dark-edged wavy bands of alternating shades across each wing. On each forewing, there is a dark spot near the middle, and another in a white patch by the wing-tip. On each hindwing, there is a dark coloured square near the middle. The forewing tips are recurved, and all four wings have sinuous margins. The wingspan of the females is about 3 cms. The wingspan of the males is about 2.5 cms.

The species has been found in

  • Japan,

    as well as in Australia in

  • Western Australia, and
  • Queensland.


    Further reading :

    George F. Hampson,
    On the classification of the Thyrididae - a family of the Lepidoptera Phalaenae,
    Proceedings of the Zoological Society of London,
    1897, pp. 614-615, No. 4.

    John Henry Leech,
    New species of Deltoids and Pyrales from Corea, North China and Japan,
    The Entomologist,
    Volume 22 (1889), p. 66, and also Plate 4, fig. 10.


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    (written 28 April 2019)