Welcome to MassBeetles, a checklist of all beetles known to be found in the state of Massachusetts. As of September 13, 2023 the database consists of 4110 records, and includes 3766 unique species in 99 families. County-level data is still being populated and may be incomplete. For queries or data corrections/additions, email Jennifer Forman Orth.
| Family | Genus | Scientific Name | Common Name | Sources | Known County Records | Synonyms | Notes |
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