Mapsidius quadridentata

{{Short description|Species of moth}}

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| taxon = Mapsidius quadridentata

| authority = Walsingham, 1907

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Mapsidius quadridentata is a moth of the family Scythrididae.{{cite web |last=Savela |first=Markku |url=http://www.nic.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/gelechioidea/scythrididae/mapsidius/#quadridentata |title=Mapsidius quadridentata Walsingham, 1907 |website=Lepidoptera and Some Other Life Forms |accessdate=July 12, 2018}} It is endemic to the Hawaiian islands of Lanai and Maui.

The larvae feed on Charpentiera species.