Bug FAQClose-banded Yellowhorn
Colocasia propinquilinea · Order: Lepidoptera · Family: Noctuidae
Also called: Closebanded Yellowhorn, Close-banded Demas, Close-banded Yellowhorn Moth, Closebanded Yellowhorn Moth
The close-banded yellowhorn has a wingspan of about 35 to 45 mm.
Source: Wikipedia
Size
Wingspan ranges from 35 to 45 mm.
Source: Wikipedia
Where it lives
Found from Newfoundland and Labrador west to central Alberta, and south to North Carolina, Missouri and Arkansas.
Source: Wikipedia
Life cycle
One generation per year in northern parts of its range, but two or more generations in the south.
Source: Wikipedia
When you see it
Adults fly from April to July in southern areas and from May to August in northern areas.
Source: Wikipedia
Where it comes from
Native to North America across the same area described for its habitat.
Source: Wikipedia
Where it is found in the US
Recorded in 28 of 51 states and DC. Most records: Vermont, Connecticut, Massachusetts, Pennsylvania, Ohio, New York, North Carolina, Michigan.
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/Colocasia_propinquilinea
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.