摘要
记述了采自福建省武平县的淡水蟹类南海属Nanhaipotamon一新种武平南海溪蟹N.wupingensissp.nov.本新种头胸甲显著隆起,雄性第1腹肢末部宽大,内侧呈半圆形扩张,外末角呈指状突出,末缘中部明显隆突.蟹体并殖吸虫囊蚴感染率27.3%(3/11).
Nanhaipotamon wupingensis sp. nov(Fig.1~8)Holotype:♂,carapace length 22 mm,breadth 27.5 mm;allotype: ♀,length 20 mm,breadth 25 mm;paratypes: 3♂2♀,collected from Xiaba village of Wuping county,Fujian (116°2′N.,24°53′E.);October,1998;195~260 metres above sea level;breadth of the stream 0.5~1.5 metres,pH 6.0.All the type specimens are deposited in Fujian Research Institute of Parasite Disease,Fuzhou,Fujian Province.17 crabs were examined,3 of them infected with the metacercaria of Paragonimus westermani and Euparagonimus cenocopiosus.Carapace distinctly convex, surface smooth, cervical groove shallow.The end of the first pleopod of male,exceeding the suture between 4~5th sternum,Subteminal segment 3.0 times as long as the terminal segment. Terminal part widely,anteroborde mountain peaklike.On side distal end half roundshaped and strongly expanded abdominalinner.The subdistal segment of the second pleopod of male about 2.7 times as long as the distal segment. The abdominal of male triangularshaped,the sixth abdominal segment about 2.3 times as broad as long.
出处
《厦门大学学报(自然科学版)》
CAS
CSCD
北大核心
2003年第5期676-678,共3页
Journal of Xiamen University:Natural Science