Bug FAQApamea antennata
Apamea antennata · Order: Lepidoptera · Family: Noctuidae
Apamea antennata is a moth in the Noctuidae family with a wingspan of about 44 mm. It lives widely in the forests of western North America, where its larvae feed on grasses. Adults are on the wing in early and midsummer.
Source: Wikipedia
How to recognize it
Apamea antennata belongs to the moth family Noctuidae.
Source: Wikipedia
Size
The wingspan is about 44 mm.
Source: Wikipedia
What it eats
The larvae feed on grasses.
Source: Wikipedia
Life cycle
Adults fly in early and midsummer.
Source: Wikipedia
When you see it
The adult flight period is early to midsummer.
Source: Wikipedia
Where it comes from
Its range includes the forests of western North America.
Source: Wikipedia
Where it is found in the US
Recorded in 9 of 51 states and DC. Most records: Montana, Oregon, Idaho, Washington, California, Utah, Wyoming, Arizona.
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
Questions people ask
When are adult Apamea antennata moths active?
Adults are on the wing in early and midsummer.
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/Apamea_antennata
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-26 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-26.