Bug FAQApantesis ursina
Apantesis ursina · Order: Lepidoptera · Family: Erebidae
Apantesis ursina has dark brown forewings with buff-yellow bands and pale pink to orange-pink hindwings marked with black patterns. The forewings measure about 15 mm in males and 17 mm in females. It lives on the Channel Islands and in southwestern California, probably also in Baja California, and adults fly mainly from mid-September to early October.
Source: Wikipedia
Size
Forewing length is about 15.3 mm in males and 16.7 mm in females.
Source: Wikipedia
Life cycle
There is probably one generation per year.
Source: Wikipedia
Where it is found in the US
Recorded in 1 of 51 states and DC. Most records: California.
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
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/Apantesis_ursina
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.