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  • Title: Life history studies of heterophyid trematodes in the Neotropical region: Ascocotyle (Leighia) hadra sp. n.
    Author: Ostrowski de Nunez M.
    Journal: Mem Inst Oswaldo Cruz; 1992; 87(4):539-43. PubMed ID: 1343669.
    Abstract:
    The life cycle of Ascocotyle (Leighia) hadra n. sp. was experimentally reproduced, starting from cercariae from naturally infected Littoridina parchappei, collected from Los Ranchos stream, near Mercedes city, Buenos Aires Province, Argentina. Metacercariae were found encysted in the liver and mesentery of experimentally and naturally infected fishes Cnesterodon decemmaculatus and Jenynsia lineata. Adults were obtained experimentally in chicks and mice. The natural host is unknown. The new species is compared with Ascocotyle (Leighia) mcintoshi Price 1936 as described by Leigh, 1974, differing in behavior and morphology of cercarial, metacercarial and adult stages.
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