Bug FAQAndropolia aedon
Andropolia aedon · Order: Lepidoptera · Family: Noctuidae
The adult moth has a wingspan of about 42 to 46 mm. It flies in July and August. It occurs from British Columbia and Alberta down to California.
Source: Wikipedia
Size
Wingspan ranges from 42 to 46 mm.
Source: Wikipedia
What it eats
Larvae feed on alder, maple, shrub Holodiscus discolor, and shrub Physocarpus capitatus.
Source: Wikipedia
When you see it
Adults are on the wing during July and August.
Source: Wikipedia
Where it is found in the US
Recorded in 7 of 51 states and DC. Most records: Montana, Oregon, Washington, California, Idaho, Wyoming, Colorado.
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
What plants do the caterpillars eat?
The larvae feed on alder, maple, Holodiscus discolor, and Physocarpus capitatus.
Source: Wikipedia
Where is Andropolia aedon found?
It lives from British Columbia and Alberta down to California in North America.
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/Andropolia_aedon
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-27 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-27.