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Life history of Pygidiopsis crassus n. sp. (Trematoda, Digenea, Heterophyidae) in the neotropical region
Núñez, Margarita Ostrowski de.
  • Núñez, Margarita Ostrowski de; Facultad de Ciencias Exactas y Naturales. Departamento de Ciencias Biológicas. Buenos Aires. AR
Mem. Inst. Oswaldo Cruz ; 90(1): 13-19, Jan.-Feb. 1995.
Article in English | LILACS | ID: lil-321772
ABSTRACT
The life cycle of Pygidiopsis crassus n. sp. was experimentally reproduced, starting from cercariae from naturally infected Littoridina parchappei collected from Lujan River and different ponds in Buenos Aires Province, Argentina. Metacercariae were found encysted in the body cavity of experimentally and naturally infected fishes Cnesterodon decemmaculatus and naturally infected Jenynsia lineata. Adults were obtained experimentally in chicks and mice. The natural host is unknown. The new species is compared with Pygidiopsis macrostomum Travassos 1928, from Rattus norvegicus and from Noctilio leporinus mastivus, differing in body and egg sizes, in the size relation of oral and ventral sucker and the shape of excretory vesicle.
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Index: LILACS (Americas) Main subject: Fishes / Heterophyidae Limits: Animals Country/Region as subject: South America / Argentina Language: English Journal: Mem. Inst. Oswaldo Cruz Journal subject: Tropical Medicine / Parasitology Year: 1995 Type: Article Affiliation country: Argentina Institution/Affiliation country: Facultad de Ciencias Exactas y Naturales/AR

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Index: LILACS (Americas) Main subject: Fishes / Heterophyidae Limits: Animals Country/Region as subject: South America / Argentina Language: English Journal: Mem. Inst. Oswaldo Cruz Journal subject: Tropical Medicine / Parasitology Year: 1995 Type: Article Affiliation country: Argentina Institution/Affiliation country: Facultad de Ciencias Exactas y Naturales/AR