Acknowledgements
This work was supported by an “Investissement d’Avenir” grant managed by Agence Nationale de la Recherche (CEBA, ref. ANR-10-LABX-25-01) to MC and BAC, an NSF award 1736026 to BAC and RP and the Smithsonian Tropical Research Institute. We thank Neil Rosser for assistance with information on the distributions of H. doris . We also thank Melanie McClure for fieldwork assistance in French Guiana and members of the McMillan laboratory for logistical support and discussions on early versions of the manuscript.