Select common names to view flight period histograms (1864-2015). Histograms include queens, workers, and males.
| Common Name | Scientific Name | Earliest | Latest |
| Rusty-patched Bumble Bee | Bombus affinis | 12-Jun | 10-Oct |
| Ashton's Cuckoo Bumble Bee | Bombus ashtoni | 24-May | 9-Sep |
| Two-spotted Bumble Bee | Bombus bimaculatus | 12-May | 12-Oct |
| Northern Amber Bumble Bee | Bombus borealis | 21-May | 14-Oct |
| Lemon Cuckoo Bumble Bee | Bombus citrinus | 28-Jun | 6-Sep |
| Fernald's Cuckoo Bumble Bee | Bombus fernaldae | 8-Jul | 6-Aug |
| Yellow Bumble Bee | Bombus fervidus | 31-May | 23-Sep |
| Brown-belted Bumble Bee | Bombus griseocollis | 13-May | 25-Sep |
| Common Eastern Bumble Bee | Bombus impatiens | 5-May | 10-Nov |
| Indiscriminate Cuckoo Bumble Bee | Bombus insularis | 10-Aug | 12-Aug |
| American Bumble Bee | Bombus pensylvanicus | 21-Apr | 12-Aug |
| Confusing Bumble Bee | Bombus perplexus | 2-May | 19-Sep |
| Red-belted Bumble Bee | Bombus rufocinctus | 9-Jun | 4-Sep |
| Sanderson's Bumble Bee | Bombus sandersoni | 21-May | 23-Sep |
| Tri-colored Bumble Bee | Bombus ternarius | 26-Apr | 21-Oct |
| Yellow-banded Bumble Bee | Bombus terricola | 12-May | 30-Sep |
| Half-black Bumble Bee | Bombus vagans | 14-May | 13-Oct |
| Other Target Bees | |||
| Eastern Carpenter Bee | Xylocopa virginica | 2-Jul | 16-Sep |
| Giant Resin Bee | Megachile sculpturalis | ||
| European Wool-carder Bee | Anthidium manicatum |