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Thanks Marc...no need to apologise regarding my name...I think I've given every combination of the lettering of your name in the past, as anagrams. ;)
My Checklist has S.desoutteri but as per;
http://diptera.in...d_id=23039
I changed it.
So Paul, 20 years ago you were writing articles for the NDRS. Did you use coloured crayons or chalk? :)
Time to dig out the text.
Regards Roger