Funding for this research was provided by:
Pollinator Research Task Force
Article History
Received: 1 February 2018
Revised: 7 June 2018
Accepted: 3 August 2018
First Online: 21 August 2018
Compliance with ethical standards
:
: The authors declare that the work on the review was funded by the Pollinator Research Task Force (PRTF), an industry interest group of crop protection companies.