| Common Name | County | Date | Observer(s) | Number | Comments | Record Type |
| 1 Harlequin Darner [Gomphaeschna furcillata] | Northampton | 2018-04-14 | Mark Shields | 1 | Northampton Nature Trail, Jackson | Sight |
| 2 Harlequin Darner [Gomphaeschna furcillata] | Northampton | 1979-05-01 | R. Duncan Cuyler | 1 | sex=MALE, city=Jackson, directions=West on Rt. 158, habitat=Boone's Mill Pond, source=R DUNCAN CUYLER COLLECTION-FSCA | Collect |