沈氏并殖吸虫(Paragonimus sheni sp.nov.)新种报告——附中国并殖吸虫囊蚴和成虫分种检索表

A new species of Paragonimus sheni——with a key to the species adult worm and metaceycariae of the genus Paragonimus in China

报告1978-1983年发现于福建省北部武夷山市并殖吸虫一新种——沈氏并殖吸虫。正模标本存福建省疾病预防控制中心。正模标本:虫体椭圆型,虫体宽7mm,长12.5mm,宽∶长为1∶1.79。卵巢大小为2.0×2.13mm,分支呈3级复杂分支;睾丸巨大,大小2.5×3.75mm(左睾)和2.0×4.75mm(右睾),如块状,仅有2个小分支;明显大于卵巢。体棘单生,遍布周身。囊蚴检自福建华溪蟹,其大小为395-410μm,囊壁单层,仅3-5μm。基于上述特征,该虫种区别于卫氏并殖吸虫、斯氏并殖吸虫、巨睾并殖吸虫、闽清并殖吸虫和三平正并殖吸虫而为新种。

This paper gives a report on a new species of paragonimus in MT. Wuyishan,Fujian province during 1978 to 1983. All the type are deposited in the Center for Disease Control and Prevention of Fujian province. Holotype body short-oval, 12.5 by 7.0mm, ratio of width to length 1 ： 1.79. Ovary 2.0×2.13mm in size,the third class branches. Testes big,2.5 by 3.75mm（left） and 2.0 by 4. 75mm（right）in size,as piece-shapy,only 2 litter branches, being much larger than the ovary, cuticular spines slender, sing in arrange ment. Matacercaria obtained from the fresh water crab, Sinopotamon fujianensis Dai et Chen, 1979, measuring 395 by 410 micra, its cyst wall sing ,only 3-5 micra. Basing on the characteristic features mentioned above,This worm found by us differs from P. westermani, P. skrijabini, P. macrorchis, P. rningqingensis and Euparagonirnus cenopiosus, and can be considered as a new species of Paragonimus.