Polynesia truncapex
{{Short description|Species of moth}}
{{Speciesbox
| image =
| image_caption =
| taxon = Polynesia truncapex
| authority = C. Swinhoe, 1892
| synonyms = *Placotome truncapex
}}
Polynesia truncapex is a moth in the family Geometridae first described by Charles Swinhoe in 1892.{{cite web |last=Yu |first=Dicky Sick Ki |url=http://www.taxapad.com/local.php?taxonidLC=82846836 |title=Polynesia truncapex Swinhoe 1892 |website=Home of Ichneumonoidea |publisher=Taxapad |archive-url=https://web.archive.org/web/20160327060342/http://www.taxapad.com/local.php?taxonidLC=82846836 |archive-date=27 March 2016}}