Natural History of Bumble Bees - SARE

Worldwide, there are approximately 250 species of bumble bees. Over 40 bumble bee species are native to North America. Of these, only one species, Bombus impatiens, is currently reared by commercial producers in North America. Bumble bees vary greatly in size, with bees weighing from 40 to 830 milligrams (0.0014 to 0.029 ounces). There is […]

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