摘要
本文报道了云南省的米虾共9种,其中包括4新种。标本采于1983年3—6月。其新种为:1.滇池米虾:额角上缘和后缘的齿均多,且其末端有1/3—1/2的无齿区。2.异指米虾:额角上、下缘的齿均多,第三步足雄性指节较雌性宽阔,且刺也显著粗大。3.长棍米虾:第二腹肢的雄性附肢特别延长而多刺。4.喻氏米虾:额角下缘齿数显著多于葛氏米虾。
In the present paper nine species of Caridina collected by the authors from Yunnan Province in 1983 are reported.Of these species four are described as new.The type specimens are kept in the Shanghai Fisheries College.The diagnosis of the new species is given below.Caridina dianchiensis sp.nov.Rostrum extends to the extremity of the third segment of the antennular peduncle.The upper margin is provided with 14-18 teeth,7-10 of which are placed on carapace behind the orbit.The distal 1/3-1/2 of the upper margin is devoid of teeth.Carpus of the first leg is 1.6-2.0 times ias long as wide.Carpus of the second leg is 5.0-5.3 times as long as wide.The third legs of the male are longer than those of the female,its propodus is 3.5-3.7 times as long as dactylus,which bcears 34-37 spinu-les.The endopod of the first male pleopod is suboval in shape,and the distal 1/3 of the inner’border is slightly concave.
作者
梁象秋
严生良
Liang Xiangqiu;Yan Shengliang(Shanghai risheries College)
出处
《海洋与湖沼》
1985年第3期196-206,共11页
Oceanologia Et Limnologia Sinica
基金
中国科学院科学基金资助的课题
