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Published on: March 17, 2015
Africanized bees extend their distribution in California
Wei Lin1, Jakob McBroome1, Mahwish Rehman2
1Department of Entomology and Nematology, University of California, Davis, CA, United States of America.
Africanized honey bees (Apis mellifera) are spreading north in California, detected in Napa and Sacramento. Their continued northward expansion is concerning for beekeeping and ecosystem management.
Area of Science:
- Entomology
- Ecology
- Apiology
Background:
- Africanized honey bees (Apis mellifera) pose management challenges compared to European honey bees.
- Their northward spread into California raises ecological and commercial concerns.
Purpose of the Study:
- To expand upon previous findings by conducting intensive sampling of honey bees across northern California.
- To determine the current distribution of Africanized honey bees in the region.
Main Methods:
- Systematic sampling of honey bees was conducted across various locations in northern California.
- Collected bee samples were analyzed to identify the presence and distribution of Africanized honey bees.
Main Results:
- Africanized honey bees were detected as far north as Napa and Sacramento.
- These bees were found in all sampled counties south of Napa and Sacramento, with high abundance in the Central Valley and Monterey.
Conclusions:
- The findings suggest that Africanized honey bees continue to spread northward in California.
- Ongoing monitoring is crucial to understand their long-term distribution patterns and potential impact.
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