摘要
本文是作者自1973年以来,在云南各地对鱼类寄生甲壳动物进行调查采集的初步整理。鱼类寄生甲壳动物28种,加上沈嘉瑞在云南发现的3种,共为31种。其中桡足类25种,鳃尾类5种,等足类1种。考虑到读者的方便,作者把这31个种归结为一个分种检索表。此外,描述1个新种,命名为双板狭腹(?)Lamproglena dibara,sp.nov.。经与相似种比较,显出了这个种的鉴别特征。
The present paper deals with preliminary systematic revision on survey to parasitic Crustacea in Yunnan, China, conducted since 1973. Altogether 130 species of fishes were examined. From which 28 parasitic Crustacea were discovered, in addition to Caligus fronsuganinus, Argulus kunmingensis and Argulus yunnanensis discovered by Shen (1940, 1948). The number of parasitie Crustacea is up to 31 species. Among them 25 species belong to Copepoda, 5 species belong to Brachiura, 1 species belongs to Isopoda. In consideration of the convenience for readers, the author Compiled a key to species. Besides, a new species is described, i. e. Lamproglena dibara, sp. nov.
Lamproglena dibara, sp. nov. (figs. 1 -12)
Holotype , No. 82101562, Paratypes 10, 82101565
Host: Zacco platypus
Distribution: Suijiang county, Yanjin county, Yunnan.
Measurement (mm): Total length 1.0-1.18; head 0.25-0.29, its width 0.32-0.34; genital segment 0.10-0.12, its width 0.20-0.23; abdomen 0.23 -0.28; egg sac 0.84-1.23.
Diagnosis: The new species resembles L. carassii and L. heterognatha in general appearance but differs from them in having one blunt tooth on the base of the shortest claw of maxilla, and in haying coupling-bars between 1st and 2nd pair of legs. Besides, the new species differs from L. heterognatha in the form of maxilla) differs from L. carassii in 2nd antenna non-segmented, the segment number of exopod of 2nd to 4th thoracic legs and 5th thoracic leg uniramous.
基金
国家自然科学基金资助项目
关键词
甲壳动物
寄生
鱼类
新种
云南
Yunnan, Parasitic Crustacea, Lamproglena, New species
