It's strange these longicorns? it looks like the Malagasy genus Paratoxotus or Toxotiades or others ... It is for once again to notice the similarity of certain South African genres with those of Madagascar! In addition we also find the genera Goephanes, Myrmecoclytus and others in RSA and in Madagascar more I have in collection a Lasiocercis which had been collected at Cape a few years ago and which does not correspond to any Malagasy species in my eyes. .. Eduard Vives could definitely help you ? In the same way that the South African flora presents certain similarities in some genera with Madagascar.