''Gyrtona purpurea'' is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...

of the family

Euteliidae Euteliidae is a family of moths in the superfamily Noctuoidea. The family was erected by Augustus Radcliffe Grote Augustus Radcliffe Grote (February 7, 1841 – September 12, 1903) was a British entomologist who described over 1,000 species ...

. It was described by Robinson in 1975. It is found on

Fiji Fiji ( , ,; fj, Viti, ; Fiji Hindi: फ़िजी, ''Fijī''), officially the Republic of Fiji, is an island country in Melanesia, part of Oceania in the South Pacific Ocean. It lies about north-northeast of New Zealand. Fiji consists ...

References

Gyrtona purpurea in Prairie Research Institute's page
Moths described in 1975 Stictopterinae Moths of Fiji {{Stictopterinae-stub