No interactions present.
From memory I think 30 mm is about right.
Thanks for the ID.
James P Deans
It is largely a N and W species, and while few records are mapped for Lewis, it is not unusual in the W Isles and NW Scotland. Still a very nice find, though - you don't see them every day!
recording wildlife with The Recorder's Year on www.hbrg.org.uk/TRY.html.
Lat/Lng: 58.2057, -6.8287
OS grid ref: NB164342