Bug FAQGreen Marvel
Acronicta fallax · Order: Lepidoptera · Family: Noctuidae
It lives across most of North America, from eastern Canada down to the southern United States. In Florida, adults can be seen flying from February through November.
Source: Wikipedia
Size
Wingspan is roughly 34 mm.
Source: Wikipedia
When you see it
Adults are on the wing from February to November in Florida.
Source: Wikipedia
Where it comes from
Found throughout much of North America, from Ontario and the Atlantic provinces south to Arizona and Florida.
Source: Wikipedia
Where it is found in the US
Recorded in 35 of 51 states and DC. Most records: Massachusetts, Ohio, Michigan, New York, Maryland, Maine, Pennsylvania, Texas.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in Canada; native in United States. 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/Acronicta_fallax
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.