About 8mm long ,bronzy/black colour , red legs
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for that Matt, it is certainly more like it , I had noticed the "wicked spines " but was not aware of their significance .
When you've been through Dr Martin Luff's carabid key a couple of hundred times those spines take on a very important significance as they are a very early couplet!
Having mistaken lesser spines and gone down the wrong entry on this couplet so many times (to the point where my copy has "loricera 8mm" written against it in pencil) it was a ureka moment when I finally found the real thing, and that's how keys *really* work ;)
Lat/Lng: 52.592, -7.814
OS grid ref: SF064152