Merophyas tenuifascia is a species of moth of the family Tortricidae. It is found in Australia, where it has been recorded from Tasmania. The habitat consists of montane open forests.A Checklist of the Tasmanian Tortricid moths (Lepidoptera: Tortricidae) and their Host-Plant relationships
The wingspan is about 12.5 mm.CSIRO Ecosystem Sciences - Australian Moths Online
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