| new intermediate hosts in the life cycle of zygocotyle lunata in south america. | biomphalaria peregrina was found to be naturally infected with cercariae of zygocotyle lunata in a pond of the zoological garden of buenos aires. mice and chicks were fed metacercariae and gravid adults recovered. eggs recovered from mice feces were used for experimental infections. laboratory-reared b. peregrina and 4 other biomphaluria spp. were successfully infected with z. lunata miracidia. biomphaleria glabrata was refractory. species of helisoma, the only intermediate hosts of z. lunata so ... | 2003 | 12659330 |