Danke! I guess that would explain its absence from Britain, despite its host plant being common here plantatlas2020.org/atlas/2cd4p9...
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The plant is also much widespread in Germany, but the hopper is confinded to natural lakes & historically old fish ponds with large stands of club-rush. But you have to go deep into the water to find it. I think it might occur in good places in UK, but nobody ever looked for it out there.
aug 31, 2025, 1:30 pm • 1 0 • view
Would be interesting if it did occur in Britain! But I've only ever seen small stands of club-rush; it is common enough, but not in large stands that I know of. This is typical, just 3 or 4 metres across and (my impression) not long-lived, not persisting for more than a few years in any one clump:
aug 31, 2025, 4:16 pm • 0 0 • view