Aquatic beetle diversity from Volcan Tacana, Mexico: altitudinal distribution pattern and biogeographical affinity of the fauna Author Luna-Luna, Alba Magali Doctorado en Ciencias Biologicas y de la Salud, Universidad Autonoma Metropolitana, Mexico City, Mexico Author Martins, Caleb Califre https://orcid.org/0000-0001-5630-9865 Postdoctoral fellow, Instituto de Biologia, Departamento de Zoologia, Universidad Nacional Autonoma de Mexico, Mexico City, Mexico Author Lopez-Perez, Andres Postdoctoral fellow, Instituto de Biologia, Departamento de Zoologia, Universidad Nacional Autonoma de Mexico, Mexico City, Mexico Author Ramirez-Ponce, Andres https://orcid.org/0000-0003-4742-7397 Laboratorio de Ecosistemas Costeros, Departamento de Hidrobiologia, Universidad Autonoma Metropolitana-Iztapalapa, Mexico City, Mexico Author Contreras-Ramos, Atilano https://orcid.org/0000-0001-8044-1348 Red de Biodiversidad y Sistematica, Instituto de Ecologia, A. C., Xalapa, Veracruz, Mexico acontreras@ib.unam.mx text ZooKeys 2022 2022-07-11 1111 301 338 http://dx.doi.org/10.3897/zookeys.1111.68665 journal article http://dx.doi.org/10.3897/zookeys.1111.68665 1313-2970-1111-301 8EDF5CD7B0104B6DB90F0A6A1200C768 B17D24BEF89E503B813D064FB1E7AA5C Tropisternus fuscitarsis Sharp, 1882 Distribution. Mexico (Chiapas, Colima, Distrito Federal, Jalisco, Estado de Mexico , Michoacan , Morelos, Nayarit, Oaxaca, Puebla, Queretaro , San Luis Potosi , Sonora, Veracruz) ( Arce-Perez and Moron 2011 ). Previous altitudinal records of T. fuscitarsis are from 0-125 m ( Blanco-Aller 2014 ). Herein, the species was found in level 2 (934 m). Comments. Collected with a bucket light trap (July and August 2018, rainy season).