Capricorn or swollen thigh

Capricorn or swollen thigh

Observation - Capricorn or swollen thigh - UK and Ireland. Description: I'm trying to confirm the specie of this beetle. On a previous post (http://www.ispot.org.uk/node/178439?nav=latest_observations)it has been possibly identified as a Swollen thigh but a few things do not seem to add up, Wings have no gap, not metalic in c

I'm trying to confirm the specie of this beetle. On a previous post (http://www.ispot.org.uk/node/178439?nav=latest_observations)it has been possibly identified as a Swollen thigh but a few things do not seem to add up, Wings have no gap, not metalic in colour and size 25-30mm body length.
I would be grateful for opinions/confirmations