中国寄生虫学与寄生虫病杂志 ›› 2009, Vol. 27 ›› Issue (4): 20-369.

• 研究简报 • 上一篇    下一篇

福建省霞浦县发现南海溪蟹属一新种(十足目:溪蟹科)报告

程由注1,李莉莎1,张仪2
  

  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-08-30 发布日期:2009-08-30

A New Species of the Genus Nanhaipotamon (Decapoda: Potamidae) from Xiapu County, Fujian

CHENG You-zhu1,LI Li-sa1,ZHANG Yi2
  

  • Received:1900-01-01 Revised:1900-01-01 Online:2009-08-30 Published:2009-08-30

摘要: 霞浦南海溪蟹(Nanhaipotamon xiapuense sp.nov),2008年4月采自福建省霞浦县松城镇西郊。正模♂,头胸甲长28.2 mm,宽35.6 mm,厚20.4 mm;配模♀,头胸甲长22.6 mm,宽28.7 mm,厚16.4 mm;霞浦南海溪蟹雄性第1腹肢末端超越腹锁突,未达第5、6胸甲缝,末第2节约为末节长的2.4倍,内末角由外末角下缘向内侧约作﹤90°折转而平展,内末角方圆形,略突出,末端指向腹上方,其形态特征可与近似种台湾南海溪蟹、南日南海溪蟹、永春南海溪蟹鉴别。

关键词: 淡水蟹类, 南海溪蟹属, 霞浦南海溪蟹, 新种

Abstract: A new species of Nanhaipotamon sp. Nov. was found from the west of Xiapu County, Fujian Province in April 2008. Holotype: male, carapace length 28.2 mm, breadth 35.6 mm, thickness 20.4 mm. Allotype, female, carapace length 22.6 mm, breadth 28.7 mm, thickness 20.4 mm. Male first pleopod reached beyond tubercle of abdominal lock, not reaching to suture of sternites 4/5. Subterminal segment was about 2.4 times as terminal segment, inner horn rounded to squarish, and its outer horn pointed to the upper part of abdomen. Morphologically, this new species is distinguishable to the similar species of freshwater crabs, such as N. formosanumN. nanriense, and N. yongchunense.

Key words: Freshwater crab, Nanhaipotamon, Nanhaipotamon xiapuense sp. nov, Holotype