Elachista serra

{{Short description|Species of moth}}

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| genus = Elachista

| species = serra

| authority = Kaila, 1996[http://mothphotographersgroup.msstate.edu/species.php?hodges=1128.5 mothphotographersgroup]

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Elachista serra is a moth of the family Elachistidae. It is found in Canada, where it has been recorded from Labrador.[https://www.researchgate.net/publication/230708906_A_revision_of_the_Nearctic_Elachista_s._l._I._The_tetragonella_group_%28Lepidoptera_Elachistidae%29 A revision of the Nearctic Elachista s. l. I. The tetragonella group (Lepidoptera, Elachistidae)]