About 3-4mm long.
No interactions present.
Could you edit this observation to and put it in the Invertebrates group (its in Amphibians and reptile at the mo). That way, more Inverts people will see it.
Oops, sorry, don't know how that happened! Changed.
Ahh yes - can see you're an old hand at this now!
Lat/Lng: 51.5, -2.2
OS grid ref: ST9081