Bug FAQAngus’ Underwing
Catocala angusi · Order: Lepidoptera · Family: Erebidae
Also called: Angus' underwing
The adult wingspan ranges from about 60 to 74 mm. Adults are active from July through October, depending on where they live.
Source: Wikipedia
Size
Wingspan measures 60 to 74 mm.
Source: Wikipedia
What it eats
Larvae feed on pecan (Carya illinoinensis) and shagbark hickory (Carya ovata).
Source: Wikipedia
When you see it
Adults are on the wing from July to October, varying with location.
Source: Wikipedia
Where it comes from
Native to the United States across the same states listed for its habitat.
Source: Wikipedia
Where it is found in the US
Recorded in 24 of 51 states and DC. Most records: Ohio, Illinois, Missouri, Indiana, Tennessee, Kentucky, North Carolina, Arkansas.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
When are adult Angus’ underwings active?
Adults can be seen flying from July through October, depending on the region.
Source: Wikipedia
What trees do the caterpillars eat?
The caterpillars feed on pecan and shagbark hickory trees.
Source: Wikipedia
Same family (Erebidae)
Spongy MothLymantria disparDamages trees, gardens or crops
Fall Webworm MothHyphantria cuneaDamages trees, gardens or crops
Brown-tail MothEuproctis chrysorrhoeaCan irritate skin
Isabella Tiger MothPyrrharctia isabella
Virginian Tiger MothSpilosoma virginicaCan irritate skin
Salt Marsh MothEstigmene acreaDamages trees, gardens or cropsSources
- Wikipedia: https://en.wikipedia.org/wiki/Catocala_angusi
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-25 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-25.