寄生异育银鲫的碘泡虫一新种（粘孢子纲：双壳目,碘泡科）

1996年10月份，从来自本所关桥试验场的异育银鲫肝脏和腹腔中发现一种碘泡虫，，经鉴定，是碘泡虫属的一新种。模式标本保存在中国科学院水生生物研究所鱼病学研究室。关侨碘泡虫，新种冲。bolusguanq。oens。Sp．n0V．（图）寄生与客生部位异育银鲫Allogynoge。tiesibercrucla

A NEW SPECIES OF MYXOSPORIDIAN FROM ALLOGYNOGENETIC SILVER CRUSSIAN CARP(MYXOSPOREA:BIVALVULIDA,MYXOBOLIDAE)

A new species Myxobolus guanqiaoensis was found in the liver and abdominalcavity of Allogynogenetic silver prassian carp at Guanqiao, in Oct l996. The typespecimens were preserved in the Laboratory of Hsh ixseases, InshtUte of Hydrobiology,The Chinese Academy of Sciences, Wuhan, China.apcobolus guanqiaoensis sp. nov.Host and site: Allogynogenehc si1ver crucian carp (Carassius auratus gibelio l XCyPrinus carP io J), Liver and abdowhnal cavity.Locality: Guanqiao, Wuhan, China.Infechon ratet above 6o%.Cystt Oval or elliptic in fOrm, white in color; 2.l-4.Ocm in diametef, embracedby a tf8nsparent membrane.Sporest Spores elongatedsioval in thecal view. Pointed at anterior end and blunhyround in posterior end; l-3 V-shaPed folds at posterior end; elongated elliphc insutural view, sutUral line S-shaPed and dishnct shell valves smooth; intercaPsularaPPendix dishnct. Two polar capsules eggplant unequal in size, polar caPsule locatedat l / 2 position of spore length; 7-8pm flat coiled filamenLChmensions of 2o fresh spores f tength l9.6(l8.2-22.o)pm. width Io.8(9.O-l3.2)pm. thickness 8.3(8.O-9.o)Um, large po1ar capsules 9.5(8.8-lO.l) by 3.7(3.O-4.4)Um,small polar caPsules 8.4(7.9-9.8) by 3.6(3.2-4.O)Um. Polar caPsule nuclei sitUated atthe inner of tWo polar capsules. An indistinct iodinophilous vacuole and two roundgerminal nuclei.The shape of trhis new sPecies is similar to apcobolus gigi, M)Af)bolus kDi andapcobolus aureatus, but differs from them in dimensions of sPore, the size of POlarcapsule, suture line and host.