Bug FAQMcDunnough's Eudonia
Eudonia heterosalis · Order: Lepidoptera · Family: Crambidae
The moth has a wingspan of about 13 mm. It occurs across North America, from eastern Canada down to the Gulf Coast. Adults can be seen flying from February through November.
Source: Wikipedia
Size
Wingspan is roughly 13 mm.
Source: Wikipedia
When you see it
Adults are on the wing from February to November.
Source: Wikipedia
Where it comes from
Found in North America, from Nova Scotia and Ontario south to Louisiana and Florida.
Source: Wikipedia
Where it is found in the US
Recorded in 31 of 51 states and DC. Most records: Maryland, Alabama, North Carolina, Virginia, New York, South Carolina, Tennessee, Massachusetts.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in Canada; native in United States. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Same family (Crambidae)
Box Tree MothCydalima perspectalisDamages trees, gardens or crops
Celery Leaftier MothUdea rubigalisDamages trees, gardens or crops
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/Eudonia_heterosalis
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-24 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-24.