Bug FAQWhite-fringed Pyrausta Moth
Pyrausta niveicilialis · Order: Lepidoptera · Family: Crambidae
The white-fringed Pyrausta moth has a wingspan of about 24 mm. Adults fly from March through October across southern Canada, the United States down to Florida and west to Colorado.
Source: Wikipedia
Size
The wingspan is about 24 mm.
Source: Wikipedia
Where it is found in the US
Recorded in 23 of 51 states and DC. Most records: Missouri, Pennsylvania, Ohio, Mississippi, Maryland, Tennessee, North Carolina, Virginia.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in Canada. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
When are white-fringed Pyrausta moths active?
Adults are on wing from March through October.
Source: Wikipedia
Same family (Crambidae)
Box Tree MothCydalima perspectalisDamages trees, gardens or crops
Celery Leaftier MothUdea rubigalis
Elegant Grass-veneerMicrocrambus elegans
Hawaiian Beet Webworm MothSpoladea recurvalisDamages trees, gardens or crops
Garden Grass-veneerChrysoteuchia culmellaDamages trees, gardens or crops
Bluegrass Webworm MothParapediasia teterrellusDamages trees, gardens or cropsSources
- Wikipedia: https://en.wikipedia.org/wiki/Pyrausta_niveicilialis
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-26 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-26.