
Enallagma cyathigerum
seen at Geisseltalsee, s. https://en.wikipedia.org/wiki/Geiseltalsee with interesting history and now biodiversity

"Enallagma cyathigerum" is a European damselfly. The species can reach a length of 32 to 35 mm. It is common in all of Europe, except for Iceland.
Similar species: Dragonflies And Damselflies
By DR_M_Z
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Uploaded May 30, 2023. Captured May 29, 2023 09:34 in 8R9H+RM Mücheln, Germany.