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1 February 2017 Parasitic Helminths Found from Polypedates leucomystax (Amphibia: Rhacophoridae) on Miyakojima Island, Ryukyu Archipelago, Japan
Hideo Hasegawa, Hidetoshi Ota
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Abstract

Helminthological examination was made on 42 individuals of Polypedates leucomystax captured on Miyakojima of the Miyako Group, Ryukyu Archipelago, Japan. Eight species (one digenean, five nematodes, one acanthocephalan, and one oligochaete) were recognized, of which one nematode Strongyloides sp. characterized by the presence of an isthmus in the esophagus, seemed to have been newly adopted by P. leucomystax from herpetofaunal elements native to Miyakojima. Meanwhile, Raillietnema rhacophori and Allodero sp. were considered to have reached this island by accompanying P. leucomystax from the Central Ryukyus. Present specimens of R. rhacophori differed from conspecific specimens from the Okinawa Group and Malaysia in a few morphological characters, presumably as a result of bottlenecks through the host's dispersals involving a limited number of worms.

© 2017 by The Herpetological Society of Japan
Hideo Hasegawa and Hidetoshi Ota "Parasitic Helminths Found from Polypedates leucomystax (Amphibia: Rhacophoridae) on Miyakojima Island, Ryukyu Archipelago, Japan," Current Herpetology 36(1), 1-10, (1 February 2017). https://doi.org/10.5358/hsj.36.1
Accepted: 1 November 2016; Published: 1 February 2017
JOURNAL ARTICLE
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KEYWORDS
Allodero
endoparasites
exotic species
Raillietnema
Strongyloides
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