About the Authors

Maomin Wang

Affiliation Key Laboratory of Insect Evolution and Environmental Changes, Capital Normal University, Beijing, P. R. China

Olivier Béthoux

Affiliation Sorbonne Universités - CR2P - MNHN, CNRS, UPMC-Paris6, Paris, France

Sven Bradler

Affiliation Johann-Friedrich-Blumenbach-Institute of Zoology and Anthropology, Georg-August-University Göttingen, Göttingen, Germany

Frédéric M. B. Jacques

Affiliation Laboratory of Palaeoecology, Xishuangbanna Tropical Botanical Garden, CAS, Menglun, Mengla, Xishuangbanna, Yunnan, P. R. China

Yingying Cui

Affiliations Key Laboratory of Insect Evolution and Environmental Changes, Capital Normal University, Beijing, P. R. China, Institute of Geology, Department of Palaeontology, Technical University Bergakademie Freiberg, Freiberg, Germany

Dong Ren

rendong@mail.cnu.edu.cn

Affiliation Key Laboratory of Insect Evolution and Environmental Changes, Capital Normal University, Beijing, P. R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: OB SB. Wrote the paper: MW OB SB FJ YC DR. Supervised the project: DR. Produced the original data: MW OB SB FJ YC.