Better known in UK as Water Boatmen
No interactions present.
I can confirm from personal experience that the bite can be (slightly) uncomfortable.
Hampshire Dragonfly recorder
Hampshire & IOW Wildlfe Trust
for the correction to the identification, and for the comment. I've never really paid much attention to them, but as is often the case, they're quite interesting when you start to read up a bit.
Notonecta obliqua is our largest species, around 1.5 times the size of the common N. glauca, and certainly has a bite which stings rather!
Record your ladybird sightings!
Lat/Lng: 54.623978172696, -1.2596082687378
OS grid ref: NZ479256