Scaeosopha trigonia is a species of moth of the family Cosmopterigidae.
Distribution It is found on Sulawesi, an island in Indonesia.
Description The wingspan is about 14.5 mm., 2012: Review of the genus Scaeosopha Meyrick, 1914 (Lepidoptera, Cosmopterigidae, Scaeosophinae) in the world, with descriptions of sixteen new species. Zootaxa, 3322: 1-34.
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