By Holly Kocet
We all want to help our threatened insect pollinators by planting pollinator gardens. But are we making the best possible plant choices?
Bee “specialists” require pollen from a specific genus or family of plants.
Researchers have discovered that while many bees collect nectar from a variety of plants, it is a different story when it comes to pollen. Bee “specialists” require pollen from a specific genus or family of plants. Often referred to as ‘host’ plant specialization, it is a trait also shared by butterfly caterpillars. No host plant, no pollinator. These specialist bees emerge from their nests the same time their host plant begins to flower; a mutual benefit since flowers often depend on the pollination of a specific bee species.
Providing plants for specialist bees will also benefit generalist pollinators like our endearing bumble bee whose very survival depends on availability of floral resources, spring through fall.
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