Odonate diversity of a highly urbanised region: An annotated checklist of the damselflies and dragonflies (Insecta, Odonata) of Lario and Brianza (Lombardy, N Italy) Author Bazzi, Gaia Area per l'Avifauna Migratrice (BIO-AVM), Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPRA), Ozzano Emilia, Italy Author Galimberti, Andrea https://orcid.org/0000-0003-3140-3024 Universita degli Studi di Milano-Bicocca, Dipartimento di Biotecnologie e Bioscienze, Milano, Italy & National Biodiversity Future Center, Palermo, Italy andrea.galimberti@unimib.it Author Foglini, Claudio https://orcid.org/0000-0002-4299-9372 Via L. B. Alberti 8 / A, Cinisello Balsamo (MI), Italy Author Bani, Luciano Universita degli Studi di Milano-Bicocca, Dipartimento di Scienze dell'Ambiente e della Terra, Milano, Italy & World Biodiversity Association onlus c / o NAT LAB Forte Inglese, Portoferraio (LV), Italy Author Bazzi, Lionello Centro Ricerche Ornitologiche Scanagatta, Varenna (LC), Italy Author Bonvicini, Piero Centro Ricerche Ornitologiche Scanagatta, Varenna (LC), Italy Author Brembilla, Roberto Centro Ricerche Ornitologiche Scanagatta, Varenna (LC), Italy Author Brigo, Massimo Centro Ricerche Ornitologiche Scanagatta, Varenna (LC), Italy Author Cavenaghi, Alberto Odonata. it - Societa Italiana per lo Studio e la Conservazione delle Libellula (ODV), Perugia, Italy Author Colombo, Giuseppe Centro Ricerche Ornitologiche Scanagatta, Varenna (LC), Italy Author Della Pieta, Cesare Via Statale 77 ter, Merate (LC), Italy Author Galliani, Carlo Via Cherubini 7, Paderno Dugnano (MI), Italy Author Guarnaroli, Ettore Centro Ricerche Ornitologiche Scanagatta, Varenna (LC), Italy Author Larroux, Nicola Odonata. it - Societa Italiana per lo Studio e la Conservazione delle Libellule (ODV), Perugia, Italy & Gruppo Insubrico di Ornitologia, Clivio (VA), Italy Author Monti, Alessandro Studio Tu. G. A (Tutela e Gestione Ambientale), Rovello Porro (CO), Italy Author Orioli, Valerio Universita degli Studi di Milano-Bicocca, Dipartimento di Scienze dell'Ambiente e della Terra, Milano, Italy Author Ornaghi, Francesco Centro Ricerche Ornitologiche Scanagatta, Varenna (LC), Italy Author Pilon, Nicola Elitron, Milano, Italy Author Pirotta, Giuliana Centro Ricerche Ornitologiche Scanagatta, Varenna (LC), Italy Author Radaelli, Giovanni Via Salerno 12, Lecco, Italy Author Tessa, Giulia Museo Civico di Storia Naturale di Morbegno, Morbegno (SO), Italy Author Assandri, Giacomo https://orcid.org/0000-0001-5161-5353 National Biodiversity Future Center, Palermo, Italy & Universita di Torino, Dipartimento di Scienze della Vita e Biologia dei Sistemi, Torino, Italy text Biodiversity Data Journal 2023 2023-11-07 11 111358 111358 http://dx.doi.org/10.3897/BDJ.11.e111358 journal article http://dx.doi.org/10.3897/BDJ.11.e111358 1314-2828-11-e111358 F34BA22C9F905143B2AF381147239531 Calopteryx virgo (Linnaeus, 1758) Native status R Conservation status erl: LC; irl: LC Notes Flight period: I May - II November Compared with the congeneric C. splendens , this species is more frequent at the foothills and the lower mountain slopes, up to ca. 900 m a.s.l., whereas it is scarce in the lowlands. This is explained by its stricter ecological requirements, as it reproduces in small, well-oxygenated and fresh lotic habitats rich in aquatic vegetation and with a structured riparian belt, often in wooded contexts. Being more stenotopic, C. virgo could be more susceptible to anthropogenic environmental alterations. For this reason, the Province of Monza and Brianza, which is predominantly flat and largely urbanised, is nowadays only marginally affected by its presence. A record of two individuals on 18.11.2021 at Lake Alserio (P. Bonvicini, obs.) should be considered as remarkably late for the species.