Want pollinators? Lower the temperature

Researchers at NC State University recently published a paper about wild bee abundance in relationship to urban warming.

The paper challenges the idea that planting more flowers will attract more pollinators. Although the number of larger bees do increase as flower populations increase, populations of small bees tend to decline at some of the hottest sites.

NC State University entomologists April Hamblin and Elsa Youngsteadt studied wild bee populations in 18 urban yards and parks in Raleigh, NC that had different temperatures, amount of pavement and flower density. At the hottest sites, the number of bees actually decreased regardless of how many flowers there were or how varied they were.

You can read more about their project in EcoIPM.

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