No interactions present.
The narrower abdomen and the pointed extremities to the pronotum distinguish this species from the Dock Bug.
Chris Brooks - www.dragonfly-images.co.uk
My Flickr site - www.flickr.com/photos/ceb1298
This bug is spreading further and further. According to NBN Gateway (which I know is not most up-to-date data) apart from an outlier near Norwich, this seems the most northerly record to date.
Lat/Lng: 52.0364, 0.134
OS grid ref: TL464397