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Bumble Bees Twenty-one species of bumble bees (Bombus spp.) occur east of the 100th meridian. Within the genus Bombus, individuals vary dramatically within a species in

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Page 1: Bumble Bees Twenty-one species of bumble bees (Bombus spp.) occur east of the 100th meridian. Within the genus Bombus, individuals vary dramatically within a species in