Welcome to MassBeetles, a checklist of all beetles known to be found in the state of Massachusetts. As of March 15, 2024 the database consists of 4273 records, and includes 3905 unique species in 103 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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