Study suggests one-third of wild bee species in Pa. have declined in abundance

Over a six-year period in southcentral Pennsylvania, measures of biodiversity among wild bee communities declined and one-third of species experienced decreases in abundance, according to a team of researchers.Over a six-year period in southcentral Pennsylvania, measures of biodiversity among wild bee communities declined and one-third of species experienced decreases in abundance, according to a team of researchers.

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