Vieira, V. & Cordero-Rivera, A. (2017) Ischnura hastata – a new species for the fauna of Graciosa Island, Azores. Notulae Odonatologicae, 8(9), 319-374.
A small population of Ischnura hastata (Say, 1839) was observed on 20-vii- and 21-vii-2016 at the freshwater pond ‘Charco da Caldeira’ in the Caldeira of Graciosa island, Portugal. It constitutes both the first record in this island and the presence in all major islands of the Azores archipelago.