| invasion biology meets parasitology: a case study of parasite spill-back with egyptian fasciola gigantica in the invasive snail pseudosuccinea columella. | the liver fluke fasciola gigantica is a trematode parasite of ruminants and humans that occurs naturally in africa and asia. cases of human fascioliasis, attributable at least in part to f. gigantica, are significantly increasing in the last decades. the introduced snail species galba truncatula was already identified to be an important intermediate host for this parasite and the efficient invader pseudosuccinea columella is another suspect in this case. therefore, we investigated snails collect ... | 2014 | 24523913 |