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Coenagrion ornatum is a critically en- dangered dragonfy species in Poland known nowadays from only one site (three others given after 1990 extinguished). The authors discuss frst data (2007–2008) doming from regular observations of the last known popu- lation discovered in 2007 r. in Śniatycze near Zamość (50°38’–50°39’ N, 23°32’ E, UTM square: FB71). The Ornate Bluet inhabits one of draina- ge ditches...
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