Bug FAQRosy Lichen Moth
Cisthene perrosea · Order: Lepidoptera · Family: Erebidae
The Rosy Lichen Moth belongs to the family Erebidae. Its forewings are about 9 to 11 mm long. It occurs in the western United States, from California through Utah, New Mexico and western Texas, and adults are on the wing in June-July and again in September-October.
Source: Wikipedia
How to recognize it
Cisthene perrosea is a moth in the family Erebidae.
Source: Wikipedia
Size
The forewing length ranges from 9 to 11 mm.
Source: Wikipedia
Where it comes from
Its native range includes the western US states of California, Utah, New Mexico and western Texas.
Source: Wikipedia
Where it is found in the US
Recorded in 4 of 51 states and DC. Most records: California, Utah, New Mexico, Arizona.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in United States. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
When are adult Rosy Lichen Moths active?
Adults are on wing in June-July and again in September-October.
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/Cisthene_perrosea
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-28 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-28.