Bug FAQHazel Blotchminer
Cameraria corylisella · Order: Lepidoptera · Family: Gracillariidae
Source: Wikipedia
Adult hazel blotchminer moths have a wingspan of about 6.5 to 7 mm. They are found in parts of Canada (Manitoba, Ontario, Quebec) and the United States (Kentucky, Wisconsin, Maine, New York, Connecticut, Vermont). The larvae mine the leaves of American hornbeam, Carolina hornbeam, hazelnut species (including American hazelnut), and American hop-hornbeam, causing leaf damage.
Source: Wikipedia
Size
Wingspan ranges from 6.5 mm to 7 mm.
Source: Wikipedia
Where it is found in the US
Recorded in 23 of 51 states and DC. Most records: Vermont, Massachusetts, Minnesota, Michigan, North Carolina, Virginia, Maryland, New York.
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 plants are affected by hazel blotchminer?
The larvae mine the leaves of American hornbeam, Carolina hornbeam, hazelnut species, and American hop-hornbeam.
Source: Wikipedia
How large is the hazel blotchminer moth?
Adults have a wingspan of about 6.5 to 7 mm.
Source: Wikipedia
Same family (Gracillariidae)
Horse-chestnut LeafminerCameraria ohridellaDamages trees, gardens or crops
Aspen Serpentine Leafminer MothPhyllocnistis populiellaDamages trees, gardens or crops
Phyllocnistis vitegenella complexPhyllocnistis vitegenellaDamages trees, gardens or crops
Locust Digitate Leafminer MothParectopa robiniellaDamages trees, gardens or crops
Poison Ivy Leaf-miner MothCameraria guttifinitella
Phyllocnistis insignisDamages trees, gardens or cropsSources
- Wikipedia: https://en.wikipedia.org/wiki/Cameraria_corylisella
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.