Bug FAQYellow Nutsedge Moth
Diploschizia impigritella · Order: Lepidoptera · Family: Glyphipterigidae
The yellow nutsedge moth (Diploschizia impigritella) has a wingspan of 7 to 9 mm and is found across much of North America, from Newfoundland to Florida and west to Texas, North Dakota, and California. Adults are on the wing from early May through early November, and the larvae feed inside the stems and leaf sheaths of yellow nutsedge (Cyperus esculentus).
Source: Wikipedia
Size
The moth’s wingspan ranges from 7 to 9 mm.
Source: Wikipedia
Where it lives
It occurs in North America, from Newfoundland down to Florida and west to Texas and North Dakota, with records also from California.
Source: Wikipedia
What it eats
Larvae bore into the stems and leaf sheaths of yellow nutsedge (Cyperus esculentus).
Source: Wikipedia
Life cycle
Adults are active from early May to early November.
Source: Wikipedia
When you see it
The flight period for adults extends from early May through early November.
Source: Wikipedia
Where it comes from
Its range includes much of the United States and Canada, spanning eastern and central regions as well as parts of the west coast.
Source: Wikipedia
Lookalikes
It is the same species referred to as the yellow nutsedge moth or five-barred glyphipterid moth.
Source: Wikipedia
Where it is found in the US
Recorded in 39 of 51 states and DC. Most records: Texas, Louisiana, Alabama, Mississippi, Maryland, Oklahoma, Indiana, New York.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in United States; native in Canada. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
When are yellow nutsedge moth adults active?
Adults are on the wing from early May until early November.
Source: Wikipedia
What do the larvae of the yellow nutsedge moth eat?
The larvae feed inside the stems and leaf sheaths of yellow nutsedge (Cyperus esculentus).
Source: Wikipedia
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Diploschizia_impigritella
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.