Bug FAQRobinson's Acleris Moth
Acleris robinsoniana · Order: Lepidoptera · Family: Tortricidae
Also called: Robinson's Acleris
The forewings measure about 8 to 9 mm long. It lives across North America from the northeastern United States through southern Canada to British Columbia and down to California. Adults appear from May to June, with up to two generations each year.
Source: Wikipedia
Size
Forewing length ranges from 8.1 to 8.7 mm.
Source: Wikipedia
What it eats
Larvae feed on the plant Rosa californica.
Source: Wikipedia
Life cycle
There can be up to two generations per year.
Source: Wikipedia
When you see it
Adults are on the wing from May through June.
Source: Wikipedia
Where it is found in the US
Recorded in 27 of 51 states and DC. Most records: Maryland, Pennsylvania, Ohio, Massachusetts, New Jersey, North Carolina, Montana, Michigan.
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
What do the larvae of Robinson's Acleris moth eat?
The larvae feed on Rosa californica.
Source: Wikipedia
How many generations does this moth have each year?
It can produce up to two generations per year.
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/Acleris_robinsoniana
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-28 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-28.