Bug FAQAbagrotis discoidalis
Abagrotis discoidalis · Order: Lepidoptera · Family: Noctuidae
The adult moth has a wingspan of about 31 mm. It lives in western North America, from Washington, Oregon and California eastward to northern Arizona, New Mexico, Colorado and up into southern Alberta. Adults are on the wing from June through August in Alberta, and there is one generation each year.
Source: Wikipedia
Size
Wingspan is about 31 mm.
Source: Wikipedia
Where it lives
Found in Washington, Oregon, California, northern Arizona, New Mexico, Colorado and southern Alberta.
Source: Wikipedia
Life cycle
There is one generation per year.
Source: Wikipedia
When you see it
Adults fly from June to August in Alberta.
Source: Wikipedia
Where it comes from
Native to western North America, spanning the same states and provinces as its habitat.
Source: Wikipedia
Where it is found in the US
Recorded in 11 of 51 states and DC. Most records: California, Oregon, Washington, Idaho, Utah, Montana, New Mexico, Arizona.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in United States. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
When are adult Abagrotis discoidalis moths active?
Adults are on the wing from June through August in Alberta.
Source: Wikipedia
How many generations does Abagrotis discoidalis produce each year?
There is one generation per year.
Source: Wikipedia
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_discoidalis
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.