Welcome to MassBeetles, a checklist of all beetles known to be found in the state of Massachusetts. As of April 1, 2026 the database consists of 4447 records, and includes 4062 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 | Taxonomy Notes | Host Range | Origin | Habitat Info | Abundance & Range Info | Observation Info | Location Details | Source Details |
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