Water Scorpion, Great Diving Beetle and a marshland 'water-walking' spider (quite large, up to 10mm), what is the latter species?
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The beetle looks far too small to be a Great Diving beetle - either that or the Water Scoprpion is absolutely huge. The brown elytra and black pronotum suggest a species like Agabus congener or similar.
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Thanks for that folks.
Alan, I had thought that the spider looked like Pirata piraticus, but it seemed much too large, so was uncertain as to suggest this (certainly looks 'about right' - what precision from me)?
Matt - on relative sizes, I suspect that the water is deeper than apparent, and that there is a little distance between the beetle and the scorpion. Nonetheless, I take your thoughts very much on board.
If the beetle is further away than appears (ie is larger than first thought) then Colymbetes fuscus is the next best guess as a probably ID, the colours are just wrong for any kind of Dytiscus species.
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