后唇科吸虫三新种(吸虫纲:复殖目)  

DESCRIPTION OF THREE NEW SPECIES OF OPISTHOLEBETIDAE (TREMATODES:DIGENEA)

作　　者：刘升发[1] 

机构地区：[1]汕头大学科学研究院海洋生物实验室

出　　处：《动物分类学报》1999年第3期265-271,共7页Acta Zootaxonomica Sinica

基　　金：汕头大学海洋生物重点实验室基金

摘　　要：记述后唇科吸虫３新种，即东山后唇吸虫Ｏｐｉｓｔｈｏｌｅｂｅｓｄｏｎｇｓｈａｎｅｎｓｉｓｓｐ．ｎｏｖ．；东山异唇吸虫Ｈｅｔｅｒｏｌｅｂｅｓｄｏｎｇｓｈａｎｅｎｓｉｓｓｐ．ｎｏｖ．和兔头异唇吸虫Ｈｅｔｅｒｏｌｅｂｅｓｌａｇｏｃｅｐｈａｌｉｓｐ．ｎｏｖ．。模式标本均采自福建省东山县沿海的棕斑兔头Ｌａｇｏｃｅｏｐｈａｌｕｓｌｕｎａｒｉｓｓｐａｄｉｃｅｕｓ肠道内。In the examination for digenetic trematodes of marine fishes in the coastal areas of Dongshan Island,South Fujian, China.Three new species of Opistholebetidae were collected.These specimens are deposited in Marine Biology Laboratory,Science Center,Shantou University.Their diagnoses are given as follows.All the measurements are in millimetre,except that of the ova which are in micpon. 1 Opistholebes dongshanensis sp.nov. (Figs. 1 3) Host. Lagocephalus lunaris spadiceus (Richardson). Locality.Intestine. Location.Dongshan Island, Fujian Province. Date.Dec. 25, 1996. Infection.10 specimens from 2 of 7 hosts. Description (based on 8 whole mounts).Body pear shaped, (0 960 1 600)×(0 690 1 130) (1 340×0 884), with various sized pigment granules, maximum breath at the level of ovary.Cuticle thick and smooth.Oral sucker subterminal,nearly rounded,(0 184 0 240)×(0 176 0 272) (0 210×0 227).Postoral ring prensent,(0 008 0 024)×(0 148 0 216) (0 018×0 175).Pharynx well developed,nearly rectangular,(0 104 0 160)×(0 136 0 176 )(0 129×0 158).Esophagus very short.Ceca wide,reaching to middle of posterior third of body.Acetabulum (0 192 0 280)×(0 216 0 316 )(0 224×0 261),venterminal,provided with puchered shirt of body wall. Testes nearly elliptical,juxtaposed,contiguous,immediately anterodorsal to acetabulum,left testis (0 120 0 184)×(0 120 0 192) (0 150×0 165),right one (0 112 0 184)×(0 128 0 208) (0 152×0 174).Cirrus pouch sac like,(0 204 0 320)×(0 096 0 144) (0 258×0 108),at middle of body,containing twisted seminal vesicle,ejaculatory duct and postatic complex,Genital pore median,immediately postbifurcal. Ovary nearly rounded,(0 120 0 184)×(0 144 0 240) (0 153×0 192),immediately anterior to right testis, Seminal receptacle and Laurer’s canal present.Vitellaria follicles,extensive,from the level of pharynx to or beyond posterior termination of ceca Uterus between the front of lef

关 键 词：吸虫纲 复殖目 后唇科 后唇属 异唇属 新种 

分 类 号：Q959.152[生物学—动物学]