Minnesota Reveals Impressive Diversity with Over 500 Bee Species

New research conducted by a collaborative effort between the University of Minnesota, the Minnesota Department of Natural Resources, and other experts has uncovered a remarkable diversity of bees in Minnesota. The study, published in the journal Zootaxa, provides a comprehensive checklist of 508 bee species found in the state, including several rare and specialist species that were previously undocumented in Minnesota.

The research drew upon data from statewide bee surveys conducted by the Minnesota Department of Natural Resources, studies conducted at the University's bee lab, and historical specimens stored in the University of Minnesota Insect Collection. Supported by the Minnesota Environment and Natural Resources Trust Fund, this work marks a significant step in understanding the ecological needs and conservation efforts required to protect local bee populations.

The findings revealed the presence of numerous bee species that were previously known to exist in regions farther east or south of Minnesota. Additionally, certain species, like Ashton's cuckoo bumblebee, have not been observed in the state for over two decades and may be locally extirpated or extinct. Minnesota is also home to rare and notable species, including the endangered rusty-patched bumblebee, Suckley's cuckoo bumblebee, and the pickerelweed long-horned bee.

Preservation and restoration of native habitats such as sandy areas, wetlands, northern forests, and prairies are

the western honeybee is a well-known pollinator, this study emphasizes the significance of native bee species in pollinating both native plants and agricultural crops.

The current count of 508 bee species in Minnesota is preliminary, with many poorly-known species yet to be fully documented. This research lays the foundation for future studies aimed at assessing population trends and understanding the habitat and floral requirements of rare and specialist bee species. The collected data will guide future conservation efforts to protect and support the diverse bee populations in Minnesota.

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