Vietomartyria expeditionis is a species of moth belonging to the family Micropterigidae. It was described by Wolfram Mey in 1997. It is known from the mountainous areas of northern Vietnam."Establishment of a new genus Vietomartyria (Lepidoptera, Micropterigidae) for Paramartyria expeditionis Mey".
The length of the forewings is 3.8 mm.
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