Eusthenica treicleiota is a species of moth in the family Cossidae and the only species in the genus Eusthenica. It was described by George Thomas Bethune-Baker in 1911. It is found in Australia,Australian Faunal Directory where it has been recorded from Queensland.
The wingspan is 26–36 mm. The forewings are whitish-brown, with fuscous-brown fine transverse lines and three fasciae. The hindwings are grey.New Australian Lepidoptera of the Family Tortricidae
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