广西洞穴盲虾一新种(十足目:匙指虾科)

A NEW TROGLOBITIC SHRIMP FROM GUANGXI (DECAPODA:ATYIDAE)

记述广西洞穴盲虾一新种 ,即凌云盲虾 Typhlocaridina lingyunensissp.nov..新种体大 ,眼退化成盲眼 ,无色素 ,额剑发达 ,其长度超过第 1触角柄节第 3节末端等特征可区别于本属已描述过的 3种 .

A new species of Typhlocaridina,i.e.T.lingyunensis sp.nov.,from a cave in Lingyun,Guangxi Zhaung Autonomous Region,China,is described. Typhlocaridina lingyunensis sp.nov. Type 2 specimens,length 31～32mm.A cave in Shadong,Lingyun County,Guangxi. This new species differs from other three known species of the genus by the following characters:1)body much larger,length 31 to 32mm;2)rostrum developed,extending beyond the end of the third segment of the antennular peduncle;3)eyes degenerated to tiny,without pigment,semi-transparent;and 4)wrists of the second legs without fossae. The type specimens are deposited in Heilongtan Reservior of Shilin,Yunnan,China.