Welcome to MassBeetles, a checklist of all beetles known to be found in the state of Massachusetts. As of March 29, 2025 the database consists of 4373 records, and includes 3996 unique species in 106 families. 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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