Elachista irrorata

{{Short description|Species of moth}}

{{Speciesbox

| image = - 1100 – Elachista irrorata.jpg

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| genus = Elachista

| species = irrorata

| authority = Braun, 1920

| synonyms =

• Elachista philopatris Meyrick, 1932

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Elachista irrorata is a moth of the family Elachistidae. It is found in North America, where it has been recorded from Illinois, Indiana, Maine, New Jersey, New York, Ohio, Ontario, Pennsylvania, Tennessee, Virginia and West Virginia.{{Cite web|author=((Moth Photographers Group)) | title= Elachista irrorata – 1100|url=http://mothphotographersgroup.msstate.edu/species.php?hodges=1100|access-date=2022-12-28|website=Mississippi Entomological Museum}}

The wingspan is 8.2–11 mm. Adults have been recorded on wing from March to October.

The larvae feed on Glyceria striata and Agrostis perennans. They mine the leaves of their host plant. The larvae can be found in April and May.{{Cite book|publisher=American Entomological Society|url=http://archive.org/details/memoirsofameric131948amer|series=Memoirs of the American Entomological Society| volume= 13

| title= Elachistidae of North America (Microleptidoptera)

|date=1948 | author1= Annette F. Braun |place=Philadelphia

| pages=55–57}}