| MBBA# | ScientificName | Common Name | Date | SiteCode | Town | COUNTY | Surveyor |
| 10332 | Bombus impatiens | Common Eastern Bumble Bee | 20-Aug-2019 | CST210 | Belmont | Waldo | Todd, Charlie |
| 13546 | Bombus terricola | Yellow-banded Bumble Bee | 20-Aug-2019 | CST210 | Belmont | Waldo | Todd, Charlie |
| A296 | Bombus fernaldae | Fernald's Cuckoo Bumble Bee | 7-Aug-2019 | DTY013 | Palermo | Waldo | Yorks, Derek |
| A297 | Bombus griseocollis | Brown-belted Bumble Bee | 7-Aug-2019 | DTY013 | Palermo | Waldo | Yorks, Derek |
| A299 | Bombus bimaculatus | Two-spotted Bumble Bee | 7-Aug-2019 | DTY013 | Palermo | Waldo | Yorks, Derek |
| A300 | Bombus perplexus | Confusing Bumble Bee | 7-Aug-2019 | DTY013 | Palermo | Waldo | Yorks, Derek |
| A301 | Bombus bimaculatus | Two-spotted Bumble Bee | 7-Aug-2019 | DTY013 | Palermo | Waldo | Yorks, Derek |
| A302 | Bombus bimaculatus | Two-spotted Bumble Bee | 7-Aug-2019 | DTY013 | Palermo | Waldo | Yorks, Derek |
| A303 | Bombus impatiens | Common Eastern Bumble Bee | 20-Oct-2019 | DTY002 | Frankfort | Waldo | Yorks, Derek |
| A304 | Bombus impatiens | Common Eastern Bumble Bee | 20-Oct-2019 | DTY002 | Frankfort | Waldo | Yorks, Derek |
| A305 | Bombus borealis | Northern Amber Bumble Bee | 20-Oct-2019 | DTY002 | Frankfort | Waldo | Yorks, Derek |
| B1057 | Bombus impatiens | Common Eastern Bumble Bee | 23-Sep-2019 | CST219 | Searsport | Waldo | Todd, Charlie |
| B1058 | Bombus impatiens | Common Eastern Bumble Bee | 23-Sep-2019 | CST219 | Searsport | Waldo | Todd, Charlie |
| B1059 | Bombus impatiens | Common Eastern Bumble Bee | 23-Sep-2019 | CST219 | Searsport | Waldo | Todd, Charlie |
| B1061 | Bombus impatiens | Common Eastern Bumble Bee | 23-Sep-2019 | CST219 | Searsport | Waldo | Todd, Charlie |
| B1062 | Bombus impatiens | Common Eastern Bumble Bee | 23-Sep-2019 | CST219 | Searsport | Waldo | Todd, Charlie |
| B1063 | Bombus impatiens | Common Eastern Bumble Bee | 23-Sep-2019 | CST219 | Searsport | Waldo | Todd, Charlie |
| B1064 | Bombus ternarius | Tri-colored Bumble Bee | 23-Sep-2019 | CST219 | Searsport | Waldo | Todd, Charlie |
| B1201 | Bombus vagans | Half-black Bumble Bee | 22-Jul-2019 | ALK012 | Troy | Waldo | Lappin, Olivia |
| B1201 | Bombus vagans | Half-black Bumble Bee | 22-Jul-2019 | ALK012 | Troy | Waldo | Keller, Abby |
| B1202 | Bombus ternarius | Tri-colored Bumble Bee | 22-Jul-2019 | ALK012 | Troy | Waldo | Lappin, Olivia |
| B1202 | Bombus ternarius | Tri-colored Bumble Bee | 22-Jul-2019 | ALK012 | Troy | Waldo | Keller, Abby |
| B1203 | Bombus terricola | Yellow-banded Bumble Bee | 22-Jul-2019 | ALK012 | Troy | Waldo | Lappin, Olivia |
| B1203 | Bombus terricola | Yellow-banded Bumble Bee | 22-Jul-2019 | ALK012 | Troy | Waldo | Keller, Abby |
| B1465 | Bombus impatiens | Common Eastern Bumble Bee | 23-Sep-2019 | CST210 | Belmont | Waldo | Todd, Charlie |
| B1466 | Bombus impatiens | Common Eastern Bumble Bee | 23-Sep-2019 | CST210 | Belmont | Waldo | Todd, Charlie |
| B1467 | Bombus impatiens | Common Eastern Bumble Bee | 23-Sep-2019 | CST210 | Belmont | Waldo | Todd, Charlie |
| B1468 | Bombus ternarius | Tri-colored Bumble Bee | 23-Sep-2019 | CST210 | Belmont | Waldo | Todd, Charlie |
| B1469 | Bombus impatiens | Common Eastern Bumble Bee | 23-Sep-2019 | CST210 | Belmont | Waldo | Todd, Charlie |
| B1470 | Bombus impatiens | Common Eastern Bumble Bee | 23-Sep-2019 | CST210 | Belmont | Waldo | Todd, Charlie |
| B1882 | Bombus impatiens | Common Eastern Bumble Bee | 23-Sep-2019 | CST222 | Stockton Springs | Waldo | Todd, Charlie |
| B1883 | Bombus bimaculatus | Two-spotted Bumble Bee | 23-Sep-2019 | CST222 | Stockton Springs | Waldo | Todd, Charlie |
| B1884 | Bombus ternarius | Tri-colored Bumble Bee | 23-Sep-2019 | CST222 | Stockton Springs | Waldo | Todd, Charlie |
| B1885 | Bombus impatiens | Common Eastern Bumble Bee | 23-Sep-2019 | CST222 | Stockton Springs | Waldo | Todd, Charlie |
| B1886 | Bombus ternarius | Tri-colored Bumble Bee | 23-Sep-2019 | CST221 | Prospect | Waldo | Todd, Charlie |
| B217 | Bombus ternarius | Tri-colored Bumble Bee | 20-Aug-2019 | CST210 | Belmont | Waldo | Todd, Charlie |
| B218 | Bombus impatiens | Common Eastern Bumble Bee | 20-Aug-2019 | CST210 | Belmont | Waldo | Todd, Charlie |
| B2281 | Bombus ternarius | Tri-colored Bumble Bee | 23-Sep-2019 | CST221 | Prospect | Waldo | Todd, Charlie |
| B2282 | Bombus impatiens | Common Eastern Bumble Bee | 23-Sep-2019 | CST221 | Prospect | Waldo | Todd, Charlie |
| B2283 | Bombus impatiens | Common Eastern Bumble Bee | 23-Sep-2019 | CST221 | Prospect | Waldo | Todd, Charlie |
| B2594 | Bombus impatiens | Common Eastern Bumble Bee | 20-Aug-2019 | CST203 | Winterport | Waldo | Todd, Charlie |
| B2595 | Bombus impatiens | Common Eastern Bumble Bee | 20-Aug-2019 | CST203 | Winterport | Waldo | Todd, Charlie |
| B2596 | Bombus borealis | Northern Amber Bumble Bee | 20-Aug-2019 | CST203 | Winterport | Waldo | Todd, Charlie |
| B2597 | Bombus borealis | Northern Amber Bumble Bee | 20-Aug-2019 | CST203 | Winterport | Waldo | Todd, Charlie |
| B2598 | Bombus ternarius | Tri-colored Bumble Bee | 20-Aug-2019 | CST204 | Monroe | Waldo | Todd, Charlie |
| B2599 | Bombus borealis | Northern Amber Bumble Bee | 20-Aug-2019 | CST204 | Monroe | Waldo | Todd, Charlie |
| B2600 | Bombus impatiens | Common Eastern Bumble Bee | 20-Aug-2019 | CST204 | Monroe | Waldo | Todd, Charlie |
| B2601 | Bombus bimaculatus | Two-spotted Bumble Bee | 20-Aug-2019 | CST205 | Brooks | Waldo | Todd, Charlie |
| B2602 | Bombus borealis | Northern Amber Bumble Bee | 20-Aug-2019 | CST205 | Brooks | Waldo | Todd, Charlie |
| B2603 | Bombus impatiens | Common Eastern Bumble Bee | 20-Aug-2019 | CST205 | Brooks | Waldo | Todd, Charlie |
| B3649 | Bombus ternarius | Tri-colored Bumble Bee | 6-Aug-2019 | BIS062 | Waldo | Waldo | Swartz, Beth |
| B3650 | Bombus perplexus | Confusing Bumble Bee | 6-Aug-2019 | BIS062 | Waldo | Waldo | Swartz, Beth |
| B3651 | Bombus vagans | Half-black Bumble Bee | 6-Aug-2019 | BIS062 | Waldo | Waldo | Swartz, Beth |
| B3652 | Bombus borealis | Northern Amber Bumble Bee | 6-Aug-2019 | BIS062 | Waldo | Waldo | Swartz, Beth |
| B3653 | Bombus bimaculatus | Two-spotted Bumble Bee | 6-Aug-2019 | BIS062 | Waldo | Waldo | Swartz, Beth |
| B3654 | Bombus ternarius | Tri-colored Bumble Bee | 6-Aug-2019 | BIS061 | Monroe | Waldo | Swartz, Beth |
| B3655 | Bombus vagans | Half-black Bumble Bee | 6-Aug-2019 | BIS061 | Monroe | Waldo | Swartz, Beth |
| B3656 | Bombus borealis | Northern Amber Bumble Bee | 6-Aug-2019 | BIS061 | Monroe | Waldo | Swartz, Beth |
| B3657 | Bombus terricola | Yellow-banded Bumble Bee | 6-Aug-2019 | BIS045 | Brooks | Waldo | Swartz, Beth |
| B3658 | Bombus impatiens | Common Eastern Bumble Bee | 6-Aug-2019 | BIS044 | Waldo | Waldo | Swartz, Beth |
| B3659 | Bombus impatiens | Common Eastern Bumble Bee | 6-Aug-2019 | BIS046 | Knox | Waldo | Swartz, Beth |
| B3660 | Bombus vagans | Half-black Bumble Bee | 6-Aug-2019 | BIS046 | Knox | Waldo | Swartz, Beth |
| B4067 | Bombus vagans | Half-black Bumble Bee | 6-Aug-2019 | BIS045 | Brooks | Waldo | Swartz, Beth |
| B4068 | Bombus ternarius | Tri-colored Bumble Bee | 6-Aug-2019 | BIS045 | Brooks | Waldo | Swartz, Beth |
| B4897 | Bombus impatiens | Common Eastern Bumble Bee | 10-Aug-2019 | WJH006 | Belfast | Waldo | Hutchins, Wesley |
| B4898 | Bombus impatiens | Common Eastern Bumble Bee | 15-Aug-2019 | WJH005 | Belfast | Waldo | Hutchins, Wesley |
| B816 | Bombus vagans | Half-black Bumble Bee | 22-Jul-2019 | ALK012 | Troy | Waldo | Keller, Abby |
| B816 | Bombus vagans | Half-black Bumble Bee | 22-Jul-2019 | ALK012 | Troy | Waldo | Lappin, Olivia |
| KRM07June2019001 | Bombus ternarius | Tri-colored Bumble Bee | 7-Jun-2019 | Freedom | Waldo | Marden, Kendall |