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IMAGE: The timing of floral resources complicates life for the rusty patched bumble bee, Bombus affinis, a new study finds. This bee is foraging on the flower of the bee balm,.
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Credit: U.S. Fish & Wildlife Service
CHAMPAIGN, Ill. For more than a decade, ecologists have been warning of a downward trend in bumble bee populations across North America, with habitat destruction a primary culprit in those losses. While efforts to preserve wild bees in the Midwest often focus on restoring native flowers to prairies, a new Illinois-based study finds evidence of a steady decline in the availability of springtime flowers in wooded landscapes. ....

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