Please can you identify this bug on my washing line pole

Please can you identify this bug on my washing line pole

Observation - Please can you identify this bug on my washing line pole - UK and Ireland. Description: Hi I came across this bug laying eggs on my washing line pole and wondered if you cleaver lot could name him, sorry her, for me. She really is pretty big, well over 1 centimetre long. Thanks. John

Hi
I came across this bug laying eggs on my washing line pole and wondered if you cleaver lot could name him, sorry her, for me. She really is pretty big, well over 1 centimetre long.
Thanks.
John