Welcome to MassBeetles, a checklist of all beetles known to be found in the state of Massachusetts. As of November 11, 2024 the database consists of 4282 records, and includes 3915 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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