Currently:
C Calyptratus
R Acuminatus
R Nchisiensis
F Lateralis Lateralis
B Setaroi (very recent)
B transvaalense
B Thamnobates (my favourite - close call though!)
Also in the past:
R Brevs
R Kerstenii
B. Pumilum
Very envious of some of the more common species that you get hold of in America, gracilis, dilepsis, cristatus and rudis are very hard to get hold of in the UK!