| biomphalaria species in alexandria water channels. | of the several species of biomphalaria snails worldwide that serve as the intermediate host for schistosoma mansoni, biomphalaria alexandrina is a species that is indigenous to egypt. recently, there has been much debate concerning the presence of biomphalaria glabrata and the hybrid of the species with biomphalaria alexandrina. due to this debate, the absence of a clear explanation for the presence of b. glabrata in egyptian water channels and the probability that they may be reintroduced, we c ... | 2011 | 21458594 |