Bombus

Two-spotted Bumble BeeBombus bimaculatus · Bees, wasps and antsPhoto © larrytip · CC BY-NC 4.0Mid-April to late July, middle week Jun 28 – Jul 4Brown-belted Bumble BeeBombus griseocollis · Bees, wasps and antsPhoto © Steven Mlodinow · CC BY-NC 4.0Late May to mid-August, middle week Jul 5–11Black-and-gold Bumble BeeBombus auricomus · Bees, wasps and antsPhoto © Mark Nofsinger · CC BY-NC 4.0Late May to mid-August, middle week Jul 12–18Perplexing Bumble BeeBombus perplexus · Bees, wasps and antsPhoto © Denis Doucet · CC BY-NC 4.0Mid-May to early August, middle week Jul 12–18Golden Northern Bumble BeeBombus fervidus · Bees, wasps and antsPhoto © janeabel · CC BY-NC 4.0Mid-May to mid-September, middle week Jul 26 – Aug 1Half-black Bumble BeeBombus vagans · Bees, wasps and antsPhoto © David McCorquodale · CC BY-NC 4.0Late May to late September, middle week Aug 2–8American Bumble BeeBombus pensylvanicus · Bees, wasps and antsPhoto © Buddy · CC BY-NC 4.0Mid-May to late September, middle week Aug 9–15Lemon Cuckoo Bumble BeeBombus citrinus · Bees, wasps and antsPhoto © Heather Holm · CC BY-NC 4.0Early July to mid-September, middle week Aug 9–15Common Eastern Bumble BeeBombus impatiens · Bees, wasps and antsPhoto © scotstewart · CC BY-NC 4.0Early May to mid-October, middle week Aug 30 – Sep 5

Missing records do not mean a species is absent.