Bug FAQFleabane Cochylid
Eugnosta erigeronana · Order: Lepidoptera · Family: Tortricidae
Adults fly from February through October, and the larvae live in fly galls on Erigeron plants.
Source: Wikipedia
How to recognize it
Eugnosta erigeronana, known as the fleabane cochylid moth, belongs to the family Tortricidae.
Source: Wikipedia
Size
Its wingspan ranges from about 11 to 13 millimetres.
Source: Wikipedia
What it eats
The larvae are associated with fly galls on Erigeron species.
Source: Wikipedia
When you see it
Adults are active from February through October.
Source: Wikipedia
Where it is found in the US
Recorded in 15 of 51 states and DC. Most records: Texas, Louisiana, Florida, Alabama, Mississippi, Oklahoma, Georgia, North Carolina.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in United States. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
When are adult fleabane cochylid moths active?
Adults are on the wing from February to October.
Source: Wikipedia
What do the larvae of this moth feed on?
The larvae live in fly galls that form on Erigeron plants.
Source: Wikipedia
Same family (Tortricidae)
Oblique-banded Leafroller MothChoristoneura rosaceanaDamages trees, gardens or crops
Garden TortrixClepsis peritanaDamages trees, gardens or crops
Common MarbleSyricoris lacunanaDamages trees, gardens or crops
Red-banded Leafroller MothArgyrotaenia velutinanaDamages trees, gardens or crops
Light Brown Apple MothEpiphyas postvittanaDamages trees, gardens or crops
Aster and Reddish Eucosma Moths and AlliesEucosma parmatanaSources
- Wikipedia: https://en.wikipedia.org/wiki/Eugnosta_erigeronana
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-25 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-25.