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Acknowledgements
This work was supported by the National Natural Science Foundation of China (31730087, 41688103 and 31872277), the Program for Changjiang Scholars and Innovative Research Team in University (IRT-17R75), and the Support Project of High-level Teachers in Beijing Municipal Universities in the Period of 13th Five-year Plan (IDHT20180518), and the Beijing Natural Science Foundation (5182004). We are grateful to Dr. Vincent Perrichot (Univ Rennes, CNRS, Géosciences Rennes) who contributed to identification of some specimens and suggestion of polymorphism; and to Dr. Elijah J. Talamas (Systematic Entomology Laboratory, USDA/ARS c/o USNM, Smithsonian Institution, Washington, D. C. U.S.A.) for assistance in part of specimen classification. We also appreciate help from Ms. Yimo Wang during paper writing.
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Cao, H., Boudinot, B.E., Shih, C. et al. Cretaceous ants shed new light on the origins of worker polymorphism. Sci. China Life Sci. 63, 1085–1088 (2020). https://doi.org/10.1007/s11427-019-1617-4
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DOI: https://doi.org/10.1007/s11427-019-1617-4