【摘要】 <正> 1980年秋,作者在黄河口进行鱼类寄生虫调查时,获单殖吸虫标本一批,发现指环虫一新种。现报导如下: 孤岛指环虫Dactylogyrus gugaoensis,新种更多还原

【Abstract】 Dactylogrus gugaoensis sp. nov. (Figs, 1-3)Host. Acantnogobius hasta (Temmick et Schlegel)Locality. River mouth of Yellow River, an isolate island of Zhan Hua, Shandong Provice.Types are deposited in the Department of Biology,Shandong University, Jinan,Characters.Body length. 0.470-0.694mm.Body width. 0.110-0.126mm.Central anchor, total length. 0.072-0.076mm.Marginal booklets, embryonic, total length. 0.014-0.017mm.Basal portion. 0.044-0.049mm.Size of connecting plates. 0.009-0.010×0.049-0.063mm.Copulatory tube, 0.045-0.049mm.Supporting apparatus. 0.026-0.031mm.The new species difler from any other known species of the genus Dactylogrus, therefore, we named it a new species. Types are discribed based on 5 total mouth specimens,更多还原