Ethmia postica

Ethmia postica is a moth in the family Depressariidae. It occurs in interior areas of Australia, from north-western and south central Western Australia to western Queensland, New South Wales and Victoria.

Ethmia postica
Scientific classification
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E. postica
Binomial name
Ethmia postica
(Zeller, 1877)[1]
Synonyms
  • Psecadia postica Zeller, 1877
  • Psecadia sciaptera Lower, 1903

The wingspan is 21–22 mm (0.83–0.87 in). The forewings are white, with blackish-fuscous markings. The costal edge is blackish, interrupted about one-fourth and near the apex. There is an irregular costal spot near the base and a dorsal dot at one-fourth, an irregular costal spot near the base and a dorsal dot at one-fourth. There is an irregular bar from one-fifth of the costa, reaching three-fourths across the wing and there is a small subdorsal spot before the middle. There is a small triangular spot on the costa at two-fifths, and a dot below it and a small triangular spot on the costa beyond the middle. A transverse S-shaped mark is found beyond the middle towards the dorsum, but not reaching it. A discal dot is found at three-fourths and there is an irregular transverse line from about three-fourths of the costa to the tornus, curved outwards from near the costa to three-fourths, whence a sharp projection proceeds to touch the lower side of the preceding discal dot. There is also a slender streak along the termen. The hindwings are white and thinly scaled with the costa and apical fourth fuscous, darker towards the apex.[2]

References

  1. Australian Faunal Directory
  2. Meyrick, E. (June 1902). "Descriptions of New Species of Lepidoptera (Oecophoridae)". Transactions of the Royal Society of South Australia. 26: 165–166. Retrieved 15 June 2020 via Biodiversity Heritage Library.


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