Bug FAQImplicit Arches
Lacinipolia implicata · Order: Lepidoptera · Family: Noctuidae
Also called: Implicit Arches Moth
The moth has a wingspan of about 25 to 32 mm. It lives in the eastern part of North America, from Connecticut down to South Carolina and west to Ontario, Michigan and Texas. Adults fly from April through October, producing two generations each year, with the second generation usually larger.
Source: Wikipedia
Size
Wingspan ranges from 25 to 32 mm.
Source: Wikipedia
What it eats
Larvae eat a variety of plants, including common dandelion (Taraxacum officinale).
Source: Wikipedia
Life cycle
Adults are on the wing from April to October, producing two generations per year, with the second brood usually more numerous.
Source: Wikipedia
When you see it
The flight period spans April through October, covering two generations.
Source: Wikipedia
Where it comes from
Its native range is the eastern United States and adjacent parts of Canada.
Source: Wikipedia
Where it is found in the US
Recorded in 33 of 51 states and DC. Most records: Michigan, Ohio, Pennsylvania, Vermont, Connecticut, North Carolina, Wisconsin, Alabama.
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
Questions people ask
When are Implicit Arches moths active?
Adults fly from April through October, with two generations each year.
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/Lacinipolia_implicata
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-24 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-24.