福建海产鱼类寄生吸虫二新种(吸虫纲:复殖目)  

TWO NEW SPECIES OF TREMATODES OF MARINE FISHES FROM FUJIAN, CHINA (TREMATODA: DIGENEA )

作　　者：刘升发[1] 

机构地区：[1]汕头大学生物系,515063

出　　处：《动物分类学报》1997年第2期118-124,共7页Acta Zootaxonomica Sinica

摘　　要：从福建沿海的横纹东方■肠道里检获鳞肉科和血居科吸虫一新种，即等口双肛吸虫 Ｂｉａｎｉｕｍ　ｉｓｏｓｔｏｍａ　ｓｐ．ｎｏｖ．，中华拟德氏吸虫 Ｐａｒａｄｅｏｎｔａｃｙｌｉｘ　ｓｉｎｅｎｓｉｓ　ｓｐ． ｎｏｖ。新种与近似种进行比较，模式标本存放在汕头大学生物系。Bianium isostoma sp. nov. (Fig. 1) Host Fugu oblongus (Bloch). Location Small intestine. Locality Xiamen,Fujian Province. Infection 7 individuals from 2 of 32 hosts. Body elliptical, 1. 84mm-3. 12mm × 1. 11mm-2. 18mm (2. 37mm × 1. 15mm), divided into two parts. The anterior part with numerous dorsal gland cells 1. 10mm-1. 70mm (1. 31mm) long and the posterior part 0. 74mm-1. 42mm (1. 06mm ) long. Oral sucker rounded, subterminal, 0. 272mm-0. 404mm × 0. 248mm-0. 372mm (0. 334mm × 0. 300rum). Acetabulutn rounded, 0. 248rum-0. 348rum × 0. 248mm-0. 368mm(0. 291mm × 0. 305mm), at the posterior end of the anterior part. Sucker ratio 1: 0.861mm-0. 912mm. Prepharynx conspicuous, 0. 040mm-0. 100mm × 0. 168mm-0. 388mm (0. 061mm × 0. 288mm ). Pharynx well-developed, 0. 144mm-0. 172mm × 0. 232mm-0. 392mm (0. 162mm × 0. 314mm). Esophagus short 0. 010mm-0. 020mm (0. 017mm) and the ceca opening outside at posterior end of body. Testes rounded. obliquely located at median of posterior half of body, anterior testis 0. 240mm-0. 392mm × 0. 200mm-0. 304mm (0. 296mm × 0. 262mm ) and posterior one 0. 256mm-0. 388mm × 0. 216mm-0. 352mm (0. 314mm × 0. 286mm). The external seminal vesicle situated behind cirrus pouch 0. 176mm-0. 432mm × 0. 096mm-0. 160mm (0. 300mm ×0.135mm) and the internal seminal vesicle 0. 088mm-0. 176mm × 0. 068mm-0. 112mm (0. 135mm × 0. 087mm). Cirrus pouch claviform, 0. 36mm-0. 64mm × 0. 096mm-0. 128mm (0. 488mm × 0. 111mm), situatued between intestinal bifurcation and the posterior end of the acetabulum. Genital pore lies just behind intestinal bifurcation. Ovary grape-shaped, at the anterior end of the posterior part of body, 0. 152mm- 0. 360mm × 0. 280mm-0. 576mm (0. 276mm × 0. 425mm ). Receptaculum seminis sacshaped, 0. 144rum × 0. 248mm × 0. 064mm-0. 124mm (0. 184mm × 0. 094mm ), behind ovary. Laurer’s canal 0. 060mm-0. 106mm (0. 083mm ) long. Vitelline follicles extending from anterior end of acetabulum to posterior of body. Uterus winding between ovary and acetabulum. Eggs long-e

关 键 词：吸虫纲 复殖目 鳞肉科 血居科 新种 寄生虫 鱼纲 

分 类 号：Q959.155[生物学—动物学] Q959.4