tetraploids of the lung fluke paragonimus westermani found in china. | two groups of paragonimus westermani (tematoda: platyhelminthes) exist in nature: diploids and triploids. generally, these two groups live allopatrically, but in kuandian, liaoning province, in the republic of china, they live sympatrically. in our chinese experiment on paragonimus we used metacercariae of p. westermani, which we collected in kuandian, xigutai, and performed a cytological analysis. the results were as follows: (1) the p. westermani in xigutai lived sympatrically as diploids and ... | 1995 | 7479656 |