家鸭棘缘属吸虫两新种（复殖目：棘口科）

TWO NEW SPECIES OF THE GENUS ECHINOPARYPHIUM FROM DOMESTIC DUCKS (DIGENEA: ECHINOSTOMATIDAE)

从湖南两地的家鸭小肠中采集到２新种细小吸虫，经鉴定为：相中棘缘吸虫，新种Ｅｃｈｉｎｏｐａｒｙｐｈｉｕｍｘｉａｎｇｚｈｏｎｇｅｎｓｅｓｐ．ｎｏｖ，前宽后狭尖，头棘４１—４２，角刺４枚，子宫中卵１—３枚．隆回棘缘吸虫，新种Ｅｃｈｉｎｏｐａｒｙｐｈｉｕｍｌｏｎｇｈｕｉｅｎｓｅｓｐ．ｎｏｖ，舌形，头棘３９枚，子宫中卵１—１２枚．新种与近似种的主要特征进行了比较，讨论了建立新种的依据．

Two new species of Echinoparyphium were found in the small intestine ofduck, collected from Hunan Province, China. The type spedmens are deposited inthe Hunan Institute of Animal Husbandry and Veterinary Sdeares, Changsha, China,Unit: mm.