Western bumble bee population declines sharply
By A Mystery Man Writer
Description
The western bumble bee was historically very common throughout the western United States and Canada. However, in the last 20 years it has declined by more than 90%. Disease is the probable cause.
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Browse resources OSU Extension Service
Wild Bees Are Dying and Ecosystem Collapse Will Follow—But Nobody's Taking Notice
Western bumble bee: declines in the continental United States and range‐wide information gaps - Graves - 2020 - Ecosphere - Wiley Online Library
Centris pallida
Test of the invasive pathogen hypothesis of bumble bee decline in North America
Montana's native bees in decline: Pesticides and hotter summers
Temporal trend of rarified bumble bee species richness from 1877 to
Honey bee populations are continuing to decline sharply, researchers say - Good Morning America
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