Reference

Nelson Fonseca, Francisco J. Cano-Villegas, Albano Soares, Klaas-Douwe B. Dijkstra, Christophe Brochard (2017): Aeshna isoceles and Libellula fulva rediscovered in the Algarve, southern Portugal (Odonata: Aeshnidae, Libellulidae) – Libellula – 36: 51 - 58.