| the life cycle of ascocotyle (phagicola) longa (digenea: heterophyidae), a causative agent of fish-borne trematodosis. | the complete life cycle of the trematode ascocotyle (phagicola) longa (digenea: heterophyidae) is elucidated by natural observation validated by experimental infections. the natural first intermediate host of a. (p.) longa, an agent of human heterophyiasis in brazil, is the cochliopid snail heleobia australis (new first intermediate host). metacercariae were found encysted in the body musculature, heart, stomach, liver, kidney, spleen, gonads and mesentery of mullets mugil liza. hamsters mesocri ... | 2010 | 19896920 |