Coenagrion castellani, Roberts, 1948

Twenty-five new populations of

Coenagrion castellani View in CoL

were discovered ( 17 in southern Latium, 5 in Molise, 1 in Abruzzo and 2 in Campania), and 5 locations previously known from literature in southern Latium and Campania were confirmed, for a total of 30 populations ( Tables 1-2 View Table 1 View Table 2 , Fig. 1 View Fig ). The sites vary from an altitude of 1 ( San Giovanni spring, LT) to 1090 m ( Val Fondillo springs, AQ) ( Table 1 View Table 1 ). All 30 sites can be divided into three categories based on habitat type: sunny karstic springs in the foothills, with slowly running waters (21 sites, 83%), coastal rivulets on sandy substrate surrounded by riparian forests (3 sites, 10%), and seasonal streams on limestone soil (2 sites, 7%) ( Tables 1-2 View Table 1 View Table 2 , Fig. 2 View Fig ). All sites are characterised by abundant helophytic and hydrophytic vegetation and a soft bed substrate (silt, sand or clay). Reproductive activity was recorded in many sites with the observation of couples in tandem ( Fig. 4 View Fig ).