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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 101, No. 4, 2006, pp. 431-435
Bioline Code: oc06077
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 101, No. 4, 2006, pp. 431-435

 en Anatomical studies of sibling species within Neotropical lymnaeids, snail intermediate hosts of fascioliasis
JP Pointier; NJ Cazzaniga; C González-Salas; A Gutiérrez; JA Arenas; MD Bargues & S Mas-Coma

Abstract

Several anatomical parameters of the reproductive system have been used to distinguish Lymnaea cubensis check for this species in other resources from L. viatrix, the snail hosts of fascioliasis in South America and the Caribbean area. Three samples have been collected in the type localities of L. cubensis (Cuba), L. viatrix var. A ventricosa (Argentina, Río Negro Lower Valley), and L. viatrix var. B elongata (Peru, Lima), respectively. Only one parameter, the relative lengths of the penis sheath and preputium, showed significant differences between L. viatrix var. ventricosa and the two other taxa. None of the studied parameters separated L. cubensis from L. viatrix var. elongata.

Keywords
Neotropical lymnaeids - sibling species - Lymnaea cubensis - Lymnaea viatrix

 
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