ALEX CÓRDOBA-AGUILAR is a researcher at the Universidad Nacional Autónoma de México. His research interests lie in insect ecology and conservation and disease vector control. He is the author on over 150 refereed publications and co-editor of two books, The Evolution of Primary Sexual Characters in Animals (OUP 2010) and Insect Behavior: from Mechanisms to Ecological and Evolutionary Consequences (OUP 2018). CHRISTOPHER D. BEATTY is a visiting Scholar in the Program for Conservation Genomics at Stanford University. His research interests are in evolutionary ecology, behavior, biogeography, and biodiversity. He has worked on the evolution of warning coloration, mimicry, territoriality, and species diversification, predominantly in odonates. He serves on the International Journal of Odonatology editorial board and holds a special interest in the petaltail dragonflies (family Petaluridae) and the damselfly genera Nesobasis and Polythore. JASON T. BRIED is a research scientist at the Illinois Natural History Survey, part of the Prairie Research Institute, University of Illinois at Urbana-Champaign. His research interests are in community ecology, applied ecology, and conservation science, largely centred on odonates. He serves on the editorial boards of Insect Conservation and Diversity and the International Journal of Odonatology, he helps verify identifications on the Odonata Central citizen-science platform, and is currently hunting for odonates at groundwater seeps and springs.