Bug FAQEuxoa tristicula
Euxoa tristicula · Order: Lepidoptera · Family: Noctuidae
Its wingspan is about 38 to 42 mm and adults fly from late spring to early September.
Source: Wikipedia
How to recognize it
Euxoa tristicula, the early cutworm, belongs to the moth family Noctuidae.
Source: Wikipedia
Size
The moth’s wingspan ranges from roughly 38 to 42 millimetres.
Source: Wikipedia
Where it lives
It is found along the Pacific coast, from southern British Columbia down through Oregon to central California.
Source: Wikipedia
When you see it
Adults are on the wing from late spring until early September.
Source: Wikipedia
Where it comes from
Its range includes parts of the United States and Canada on the west coast.
Source: Wikipedia
Where it is found in the US
Recorded in 14 of 51 states and DC. Most records: Wyoming, Montana, Idaho, Oregon, California, Colorado, Minnesota, 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
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_tristicula
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.