About the Authors

Ken Tan

kentan@xtbg.ac.cn

Affiliations Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Science, Kunming, China, Eastern Bee Research Institute, Yunnan Agricultural University, Kunming, China

Shuang Yang

Affiliation Eastern Bee Research Institute, Yunnan Agricultural University, Kunming, China

Zhengwei Wang

Affiliation Eastern Bee Research Institute, Yunnan Agricultural University, Kunming, China

Randolf Menzel

Affiliation Institut of Biologie and Neurobiology, Freie Universität Berlin, Berlin, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KT SY ZWW RM. Performed the experiments: KT SY ZWW. Analyzed the data: KT ZWW RM. Contributed reagents/materials/analysis tools: KT ZWW. Wrote the paper: KT ZWW RM.