Bug FAQMaple leafblotch miner
Cameraria aceriella · Order: Lepidoptera · Family: Gracillariidae
The maple leafblotch miner has a wingspan of about 7 to 9 mm. Adults are active from late May through June. It occurs in eastern Canada (Quebec, Ontario) and the northeastern and mid-western United States, including states such as Connecticut, Illinois, and New York. The larvae feed on maple trees, especially red maple (Acer rubrum) and silver maple (Acer saccharinum).
Source: Wikipedia
Size
The species measures 7 to 9 mm across the wings.
Source: Wikipedia
What it eats
Larvae feed on species of maple (Acer), such as red maple and silver maple.
Source: Wikipedia
When you see it
Adults are observed from late May through June.
Source: Wikipedia
Where it comes from
Its native range includes eastern Canada and the northeastern and mid-western United States.
Source: Wikipedia
Where it is found in the US
Recorded in 23 of 51 states and DC. Most records: Vermont, Michigan, Massachusetts, Pennsylvania, Minnesota, Maryland, North Carolina, Ohio.
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 maple leafblotch miners?
Adults are active from the end of May until June.
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_aceriella
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.