Abagrotis nanalis
Abagrotis nanalis · Order: Lepidoptera · Family: Noctuidae
The moth has a wingspan of about 25 mm. Adults fly in late summer, typically from August to September.
Source: Wikipedia
Size
Its wingspan measures roughly 25 mm.
Source: Wikipedia
Where it lives
It is found across western North America, from southern British Columbia eastward to southwest Saskatchewan and western North Dakota, and down to northern New Mexico and California.
Source: Wikipedia
Life cycle
In Alberta, the species produces one generation per year, with adults appearing in August and September.
Source: Wikipedia
When you see it
Adults are on the wing from August through September.
Source: Wikipedia
Where it comes from
The species is native to North America, occupying the same western regions described for its habitat.
Source: Wikipedia
Where it is found in the US
Recorded in 9 of 51 states and DC. Most records: Oregon, Montana, Wyoming, Colorado, Idaho, California, Utah, Washington.
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

Same family (Noctuidae)
Ipsilon Dart MothAgrotis ipsilonDamages trees, gardens or crops
Fall Armyworm MothSpodoptera frugiperdaDamages trees, gardens or crops
Army Cutworm MothEuxoa auxiliarisDamages trees, gardens or crops
Large Yellow UnderwingNoctua pronubaDamages trees, gardens or crops
Silver ΥAutographa gamma
American DaggerAcronicta americanaCan irritate skinSources
- Wikipedia: https://en.wikipedia.org/wiki/Abagrotis_nanalis
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-28 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-28.