Maine Species List

 

Common Name Scientific Name G rank S rank
Rusty-patched Bumble Bee Bombus affinis G1 SH
Ashton's Cuckoo Bumble Bee Bombus ashtoni GH SH
Two-spotted Bumble Bee Bombus bimaculatus G5 S4S5
Northern Amber Bumble Bee Bombus borealis G4G5 S4S5
Lemon Cuckoo Bumble Bee Bombus citrinus G4G5 SU
Fernald's Cuckoo Bumble Bee Bombus fernaldae GU SU
Yellow Bumble Bee Bombus fervidus G4? SU
Brown-belted Bumble Bee Bombus griseocollis G5 SU
Common Eastern Bumble Bee Bombus impatiens G5 S4S5
Indiscriminate Cuckoo Bumble Bee  Bombus insularis G4G5 SU
American Bumble Bee Bombus pensylvanicus G3G4 SH
Confusing Bumble Bee Bombus perplexus G5 S4S5
Red-belted Bumble Bee Bombus rufocinctus G4G5 S4S5
Sanderson's Bumble Bee Bombus sandersoni G4G5 S3S5
Tri-colored Bumble Bee Bombus ternarius G5 S4S5
Yellow-banded Bumble Bee Bombus terricola G2G4 SU
Half-black Bumble Bee Bombus vagans G4? S4S5

Other Target Bees

Eastern Carpenter Bee Xylocopa virginica G5 SU
Giant Resin Bee Megachile sculpturalis NGR SU
European Wool-carder Bee Anthidium manicatum NGR SU 

 

G rank = Global status,  S Rank = State Status;  1 - critically imperiled, 2 - imperiled, 3 - vulnerable, 4 - apparently secure, 5 - secure,  NGR - no global rank assigned
U - currently lack sufficient information to rank, H - possibly extirpated - historical records only