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. 2020 Feb 5;6(6):eaay3922. doi: 10.1126/sciadv.aay3922

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Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 4 — Calibrated dates for the oldest wasp nests with a reliability score of at least 5. (A) Nest over motif: Nest sample locations are indicated in blue on the black figures. (B) Nest under motif: Nest sample locations are indicated in brown. (C) Nests under and over the same motif DR015_07 and the calculated age bracket for motif DR015_07 using the OxCal 4.3.2 software (36, 40) and the code listed in text S1. Illustrations: Pauline Heaney.