A small, black and bluish dragonfly with a white face. Found in ponds with water-lilies. In Norway found in Østlandet and Sørlandet.
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Hallvard Elven
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Anders Endrestøl
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Ove Bergersen
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Ole Jørgen Lønnve
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Natural History Museum, University of Oslo
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Norsk institutt for naturforskning
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NIBIO Norsk institutt for bioøkonomi
