No interactions present.
Seems that hauderi may now be regarded as a synonym for semifascia. Don't really have any literature on this to know whether this is widely accepted or not.
http://www.leafmines.co.uk/pdfs/news24.pdf which sets out that what is recorded as hauderi in the UK is just the spring form of semifascia.
Lat/Lng: 51.5, -0.4
OS grid ref: TQ1584