The Subflava Sedge Borer or Yellow Sedge Borer (''Capsula subflava'') is a moth of the Noctuidae family. It is found from Nova Scotia west to British Columbia, south to New Jersey in the east and Utah and California in the west.
The wingspan is 35–40 mm. Adults are on wing in July depending on the location. There is one generation per year.
The larvae bore the stems of ''Typha'' and ''Scirpus'' species.
*(Species info )
*(The Lepidoptera Of Wayne County, Ohio )
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