What Do Bees Do in Winter?


A honeybee during warmer weather.

The brown and gray terrain of a winter garden or natural area such as Nature Boardwalk at Lincoln Park Zoo may not appear to be very lively. But these dead plants play a vital role in sheltering tiny forms of life until warmer weather returns.

Standing flower stalks, mounds of grasses, holes and hollows in dead trees, piles of leaf litter, even bare patches of soil—they all provide potential habitat for overwintering insects. Many of these insects include some of the 4,000 native North American bee species that serve as important pollinators for native plants and agricultural crops, such as tomatoes and pumpkins. Pollinators increase the size and number of fruits and seeds by naturally aiding the plant-fertilization process.

The majority of bee species are solitary; unlike more familiar honeybees or bumblebees, they don’t live in large colonies. Solitary bees use hollow plant stalks, beetle holes in dead trees or mud banks as nests for their offspring. Eggs are laid in these nests in fall and provisioned with nectar and pollen. The developing larvae spend winter in the inactive pupa stage of their life cycle before emerging as adults in spring.

For bumblebees, the solitary mated queens overwinter in leaf litter or underground, sometimes in abandoned mouse nests. Bumblebee queens emerge in spring to produce a new colony of female and male offspring—and a new generation of beneficial insects for the garden.

Planting a diverse array of flowering plants may keep native bees well fed and thriving during blooming season. But preserving winter habitat for them to use as nests is equally important.

Sarah Long

In addition to being a beekeeper, Sarah Long, M.S., is director of Lincoln Park Zoo’s Population Management Center.

Comments

wow i think all this info is so good it helped me a lot

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