Bug FAQAncylis diminuatana
Ancylis diminuatana · Order: Lepidoptera · Family: Tortricidae
Ancylis diminuatana is a small moth with a wingspan of about 14 to 20 mm. The larvae feed on various willow species, while adults are on the wing from May to August.
Source: Wikipedia
How to recognize it
The head is a pale pinkish-ochre or white colour. Forewings are reddish-brown, sometimes ochreous or grey, with blackish streaks and a whitish-suffused costa that has a few elongate black dots near the base. The hindwings are light grey.
Source: Wikipedia
Size
The wingspan ranges from 14 to 20 mm.
Source: Wikipedia
Where it lives
It inhabits fens, marshes and damp heathland.
Source: Wikipedia
What it eats
Larvae feed on willow species such as Salix aurita, Salix repens and Salix cinerea.
Source: Wikipedia
Life cycle
Adults are active from May through August. Larvae live between leaves that they spin together with silk.
Source: Wikipedia
When you see it
Adults are on the wing from May to August.
Source: Wikipedia
Where it comes from
It is found throughout most of Europe. It has also been recorded in North America.
Source: Wikipedia
Where it is found in the US
Recorded in 25 of 51 states and DC. Most records: Michigan, Massachusetts, Vermont, Ohio, North Carolina, Maine, Indiana, Montana.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in Canada. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
When can I see adult Ancylis diminuatana?
Adults are on the wing from May to August.
Source: Wikipedia
What does this moth look like?
It has a pale pinkish-ochre or white head, reddish-brown forewings with blackish streaks and whitish-suffused costa, and light grey hindwings.
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/Ancylis_geminana
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.