Bug FAQThree-lined Grapholita Moth
Grapholita tristrigana · Order: Lepidoptera · Family: Tortricidae
Also called: Three-lined Grapholita
The three-lined grapholita moth belongs to the Tortricidae family. Its wingspan is about 13 mm. Adults are seen from March through October, especially in May and June, across many U.S. states and Ontario.
Source: Wikipedia
How to recognize it
Grapholita tristrigana is the scientific name of the three-lined grapholita moth.
Source: Wikipedia
Size
The moth’s wingspan measures roughly 13 mm.
Source: Wikipedia
What it eats
Larvae feed on plants in the Baptisia and Lupinus genera.
Source: Wikipedia
Life cycle
Adults have been observed on the wing from March to October, peaking in May and June.
Source: Wikipedia
When you see it
The flight period spans March through October, with most sightings in late spring.
Source: Wikipedia
Where it comes from
The species is native to North America, with records from many U.S. states and Ontario, Canada.
Source: Wikipedia
Where it is found in the US
Recorded in 28 of 51 states and DC. Most records: Massachusetts, Georgia, Illinois, Virginia, Florida, Louisiana, Connecticut, District of Columbia.
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 are three-lined grapholita moths active?
Adults are on the wing from March through October, most commonly in May and June.
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/Grapholita_tristrigana
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-26 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-26.