Funding for this research was provided by:
U.S. Department of Agriculture
Agriculture and Food Research Initiative (2011-04894)
Received: 23 November 2018
Accepted: 3 May 2019
First Online: 22 May 2019
Ethics approval and consent to participate
: All honey bees used in this work were sampled in the United States, and no ethical use approval is required for this species in this country.
: Not applicable.
: The authors declare that they have no competing interests.
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