For all queries, Patty Berglund was a resource, a sunny carrier of sociocultural pollen, an affable bee.

NEWYORKER: Good Neighbors

Unlike many commercial beekeepers, Mr. Alvarez says he does not feed his bee colonies sugar syrups or artificial pollen.

WSJ: Hector Alvarez: How a Beekeeper Builds Buzz | Creating

"All over the city, flowers are now blooming, providing nectar and pollen for all sorts of important bee species and other pollinators, " she said.

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She and her colleagues measured honey production, bee deaths, weight gain of colonies while foraging on canola, and insecticide residue on bees and in pollen, nectar, beeswax and honey.

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