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Discovery of Parvatrema duboisi and Parvatrema homoeotecnum (Digenea: Gymnophallidae) from Migratory Birds in Korea

Korean Journal of Parasitology 2010년 48권 3호 p.271 ~ 274
 ( Chung Ok-Sik ) - Korea Gongju Chungnam Development Institute

이혜정 ( Lee Hye-Jung ) - 단국대학교 의과대학 기생충학교실
손운목 ( Sohn Woon-Mok ) - 경상대학교 의과대학 기생충학교실
박윤규 ( Park Yun-Kyu ) - 인하대학교 의과대학 기생충학교실
채종일 ( Chai Jong-Yil ) - 서울대학교 의과대학 기생충학교실
서민 ( Seo Min ) - 단국대학교 의과대학 기생충학교실

Abstract


Adult worms of Parvatrema spp. (Digenea: Gymnophallidae) were found in the intestines of 2 species of migratory birds, i.e., a great knot, Calidris tenuirostris, and 2 Mongolian plovers, Charadrius mongolus, in the coastal area of Gunsan-si, Jeollabuk-do in October 2009. The recovered Parvatrema worms were 79 in total number and composed of 2 species. The worms from a great knot were 289 μm in length with the oral and ventral sucker ratio of 2 : 1. They had a single vitellarium, and their intrauterine eggs were 25.0 × 17.5 μm in size. These findings were compatible with P. duboisi (Dollfus, 1923) Bartoli, 1974 (syn. P. timondavidi Bartoli, 1963). The worms recovered from the Mongolian plovers were smaller in length than P. duboisi and had 2 vitellaria. The oral and ventral sucker ratio was 2.5 : 1, and the eggs were 17.5 × 8.8 μm in size. These worms were assigned to be P. homoeotecnum James, 1964. This is the first report on the natural final hosts of Parvatrema spp. in Korea.

키워드

Parvatrema duboisi; Parvatrema homoeotecnum; Gymnophallidae; Mongolian plover; great knot
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