Bug FAQEuxoa bochus
Euxoa bochus · Order: Lepidoptera · Family: Noctuidae
Euxoa bochus is a noctuid moth with a wingspan of roughly 34 to 36 mm. It inhabits western North America, from Vancouver Island down to southern Utah and northern New Mexico, extending east to central Colorado, Wyoming, the Cypress Hills of southwestern Saskatchewan, and also appears in Manitoba and British Columbia. Adults fly from mid-July to mid-October and the species has one generation each year.
Source: Wikipedia
How to recognize it
Euxoa bochus belongs to the moth family Noctuidae.
Source: Wikipedia
Size
Its wingspan measures about 34 to 36 millimeters.
Source: Wikipedia
Life cycle
There is one generation per year.
Source: Wikipedia
When you see it
Adults are on the wing from mid-July to mid-October.
Source: Wikipedia
Where it comes from
The moth is also found in Manitoba and British Columbia.
Source: Wikipedia
Where it is found in the US
Recorded in 13 of 51 states and DC. Most records: Colorado, Montana, Wyoming, Washington, Oregon, Idaho, California, 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; native in Canada. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
How many generations does Euxoa bochus produce each year?
The species has one generation annually.
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/Euxoa_bochus
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-25 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-25.