Bug FAQChoristostigma roseopennalis
Choristostigma roseopennalis · Order: Lepidoptera · Family: Crambidae
The moth has a wingspan of about 18 mm. Adults are active from May through September.
Source: Wikipedia
How to recognize it
The forewings are canary yellow with a bright rosy stripe along the leading edge for about two-thirds of their length. A bright rosy outer band runs around the wing and joins a broad marginal band of the same colour at the inner angle. The hindwings are white.
Source: Wikipedia
Size
The wingspan measures roughly 18 mm.
Source: Wikipedia
Where it lives
It occurs in Mexico and the United States.
Source: Wikipedia
When you see it
Adults are on the wing from May to September.
Source: Wikipedia
Where it comes from
Its native range includes Mexico and the United States.
Source: Wikipedia
Where it is found in the US
Recorded in 9 of 51 states and DC. Most records: Arizona, North Carolina, Virginia, Kentucky, Tennessee, Texas, Georgia, New Mexico.
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
Same family (Crambidae)
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Hawaiian Beet Webworm MothSpoladea recurvalisDamages trees, gardens or crops
Garden Grass-veneerChrysoteuchia culmellaDamages trees, gardens or crops
Bluegrass Webworm MothParapediasia teterrellusDamages trees, gardens or cropsSources
- Wikipedia: https://en.wikipedia.org/wiki/Choristostigma_roseopennalis
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-27 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-27.