海水鱼类单殖吸虫研究XI鳞盘虫属二新种  

MONOGENEA OF CHINESE MARINE FISHES XI.TWO NEW SPECIES OF THE GENUS DIPLECTANUM DIESING, 1858

作　　者：张剑英[1] 刘琳[1] 丁雪娟[1] 陈智兵 

机构地区：[1]华南师范大学生物系,广州510631

出　　处：《水生生物学报》2000年第2期150-154,共5页Acta Hydrobiologica Sinica

基　　金：国家自然科学基金!39270100;39570089

摘　　要：从福建、海南、广东与广西所设的22个采样点采获鳞盘虫属Diplectanum标本中，又有2种为新种。波茎鳞盘虫，新种Diplectanumundulicirrosumsp．nov与叉片鳞盘虫，新种，Diplectanumfurcelamellosumsp．nov．，它们均以具特殊之交接器结构而区别于本属的其它虫种。All measurement are presented in micrometres, the measurement adopted for hamuli refets to that of Oliver (1968). All the type specimens are deposited in the Department of Biology, South China Normal University and in the author's collection.1. Diplectanum undulicirrosum sp. nov, (Fig.1)Host:Pelates quadrilineatus (Bloch) Therapon theraps Curier Location: Gills Locality: Zhanjiang (21°2'N, 110°3'E) Guangdong Province; Qisha (21°7'N, 108°3' E), Guangxi Zhuang Autonomous Region Description:Worms of medium size, body width 87.4(74.2-100.7), length 536(477-625.4).Haptor 83.9(68.4-105.2)×150.7(118.4-194.6) in size. Pharynx suboval, 28.1(23.7-31.6)×28.9 in size.Squamodiscs are composed of 9-12 concentric rows of rodlets. Marginal hooklets 10.5 in length. Ventral hamuli with developed outer and inner root, with the dimension: length a, 39.9(35.5 - 42.1); length b, 38.5(32.9 - 42.1); length c,35.8(34.2 - 36.8); length d, 8.5(5.3 - 13.2); length g, 16.8(13.2 - 18.4), length f,17.5(15.8 - 21). Dimensions of dorsal hamuli: length a, 35.7(31.6 - 36.8); length b,35.4(31.6 - 36.8); length c, 19.5(13.2 - 22.4). Median connective plate is arc-like,14.5(13.2 - 18.4) × 78.8(68.4 - 92.0) in size. Transverse connective plate 17.1(15.8 -18.4) × 57.2(47.3 - 65.8) in size.Copulatory tube snake-like, length of tube according to it curvature, 72.5(43.4 -94.7). The supporting apparatus curved in shape, 41.4(36.8 - 46.0). Vaginal tube 31.0(26.3 - 36.8) in total length. Egg has not been discovered after examination.Description is based on 10 specimens.Remarks: The new species is distingusihed from the other species of the genus by its characteristic structure of the male genitalia.2. Diplectanum furcelamellosum sp. nov (Fig.2)Host: Otolithes argenteus (Curier et Valenciennes)Location: Cills Locality: Aotou(22°42'N, 114°31'E), Zhapo (21°34'N, 111°49'E) Guangdong Province; Qisha Guangxi Zhuang Autonomous Region Description:Worms of medium size, body width 173.4(116.6 - 222.6), length 674.7(455.8 -890.4). Haptor 54.3(39.4 - 71.0) �

关 键 词：单殖吸虫 鳞盘科 鳞盘虫属 新种 

分 类 号：Q959.153.1[生物学—动物学]