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Tetraneura ulmi (Linnaeus, 1758), galls on Ulmus glabra, Utterslev Mose, Søborg, Denmark, 25 July 2015
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Tetraneura ulmi (Linnaeus, 1758), galls on Ulmus glabra, Utterslev Mose, Søborg, Denmark, 25 July 2015
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Tetraneura ulmi (Linnaeus, 1758), galls on Ulmus glabra, Utterslev Mose, Søborg, Denmark, 25 July 2015
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galla; alcuni esemplari; ore 16:40 circa. Osservate anche il giorno successivo