| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
31024
| CT | | Connecticut drainage in northern part of state | 1980 |
01080205
| Outlet Connecticut River | failed |
|
268648
| CT | | Connecticut River drainage | 1986 |
01080205
| Outlet Connecticut River | collected |
|
268647
| CT | | Housatonic River drainage | 1986 |
01100005
| Housatonic | established |
|
268649
| CT | | Thames drainage | 1986 |
01100003
| Thames | collected |
|
30974
| CT | | state non-specific | 1880 |
01000000
| New England Region | collected |
|
30875
| CT | | state non-specific | 1898 |
01000000
| New England Region | collected |
|
30941
| CT | | state non-specific | 1992 |
01000000
| New England Region | eradicated |
|
30894
| CT | Litchfield | East Twin Lakes, Salibury | 1938 |
01100005
| Housatonic | established |
|
30895
| CT | Litchfield | Wononskopomuc Lake | 1938 |
01100005
| Housatonic | established |
|
31025
| CT | Windham | Thames drainage in ne corner of state | 1980 |
01100001
| Quinebaug River | failed |