Properigea niveirena
Properigea niveirena · Order: Lepidoptera · Family: Noctuidae
Properigea niveirena is a moth with a wingspan of about 28 to 32 mm. It lives in western North America from Vancouver Island down through Washington, Oregon, California, the border with Mexico, and east to New Mexico and southern Arizona. Adults are seen flying in July and early August, and the caterpillars probably eat herbaceous plants.
Source: Wikipedia
Size
The wingspan ranges from 28 to 32 mm.
Source: Wikipedia
Where it lives
It is found across western North America, from Vancouver Island through British Columbia, Washington, Oregon, California, the Mexico border, and east to New Mexico and southern Arizona.
Source: Wikipedia
What it eats
The larvae probably feed on herbaceous plants.
Source: Wikipedia
Life cycle
Adults are on the wing from July to early August.
Source: Wikipedia
When you see it
You will see them flying in July and early August.
Source: Wikipedia
Where it comes from
Its native range covers the same western North American region described above.
Source: Wikipedia
Where it is found in the US
Recorded in 5 of 51 states and DC. Most records: California, Oregon, Washington, 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 Canada. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos

Questions people ask
When are adult Properigea niveirena moths active?
Adults are active and can be seen flying from July through early August.
Source: Wikipedia
What do the caterpillars of Properigea niveirena eat?
The caterpillars probably feed on herbaceous plants.
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/Properigea_niveirena
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-29 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-29.