Zhang, Bo http://orcid.org/0000-0003-4948-8628
Claßen-Bockhoff, Regine
Funding for this research was provided by:
National Natural Science Foundation of China (41461014; 31760703)
China Scholarship Council
Science and Technology Innovation Funds of Gansu Agricutural University-Special funds for discipline construction (GAU-XKJS-2018-001)
Article History
Received: 6 December 2018
Accepted: 13 August 2019
First Online: 27 August 2019
Ethics approval and consent to participate
: <i>Salvia pratensis</i> was not under protection in Germany, and to collect data of the species complied with the national guidelines. As to bees, it was permitted to collect specimens for research reasons in and around Mainz by the Struktur - und Genehmigungsdirektion Süd, Oppenheim.
: Not applicable.
: The authors declare that they have no competing interests.