Want to help the bees? Keep these out of your garden.

Three-fourths of the world’s honey contains neonicotinoids. The buzz is that even gardening for bees takes constant vigilance. Deposit photos Entomologist Vera Krischik has a bee and butterfly garden bursting with Mexican sunflowers, goldenrod, salvia and black-eyed susans. But when she has problems with aphids or Japanese beetles, she’s careful to get rid of them responsibly.…