No interactions present.
As they are hermaphrodite, and exchange sperm, it is Mr and Mrs and Mr and Mrs!
recording wildlife with The Recorder's Year on www.hbrg.org.uk/TRY.html.
bet their great on the quiz show
I think T. striolata is rather flatter than these specimens.
Lat/Lng: 53.6, -1.3
OS grid ref: SE4713