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Prevalence of larval helminths in freshwater snails of the Kinmen Islands

Published online by Cambridge University Press:  05 June 2009

David Chao
Affiliation:
Department of Biology, National Sun Yat-sen University, Taiwan, Republic of China
Lian-Chen Wang
Affiliation:
Department of Biology, National Sun Yat-sen University, Taiwan, Republic of China Department of Parasitology, Kaohsiung Medical College, Kaohsiung 80424, Taiwan, Republic of China
Tai-Chu Huang
Affiliation:
Department of Biology, National Sun Yat-sen University, Taiwan, Republic of China

Abstract

A survey of larval helminths in freshwater snails of Kinmen was conducted from 1986 to 1987. Parasitological examinations of a total of 726 live snails collected from 25 loci revealed that 20 of 80 Bithynia fuchsiana were infected with metacercariae of Echinostoma gotoi and 36 with metacercariae of other echinostomes. Among 57 Radix auricularia swinhoei snails, 27 were infected with echinostomes and with metacercariae of other flukes. Of 20 Cipangopaludina chinensis, 18 were found with larvae of echinostomes. Larval trematodes were also found in three of 37 Austropeplea ollula and two of 87 Gyraulus spirillus. Third-stage larvae of Parastrongylus cantonensis were found in Ampullarius canaliculatus (5/103), Sinotaia quadrata (20/141), Hippeutis umbilicalis cantori (1/70) and Gyraulus spirillus (2/87). Segmentina hemisphaerula were not infected. Cercariae of Centrocestus formosanus, Haplorchis pumilio and xiphidiocercaria were found in three, two and two specimens, respectively, of 37 Thiara tuberculata.

Type
Research Papers
Copyright
Copyright © Cambridge University Press 1993

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