Massachusetts Odonate List by County

This page was last updated in July 2024. Please contact me with any updates or corrections.

Counties are listed roughly from west to east and north to south.  “H” = historical record (more than 40 years ago)

County Abbreviations: BERK = Berkshire; FRAN = Franklin; HAMS = Hampshire; HAMD = Hampden; WORC = Worcester; MIDD = Middlesex; ESSE = Essex; SUFF = Suffolk; NORF = Norfolk; BRIS = Bristol; PLYM = Plymouth; BARN = Barnstable; DUKE = Dukes; NANT = Nantucket.


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