摘要
本文报道皖南地区的淡水虾类计10种,其中匙指虾科3种及亚种,长臂虾科7种,包括1新种:皖南沼虾Macrobrchium wannanense sp.nov.。正模及副模标本分别保存于安徽师范大学生物系及中国科学院动物研究所。
During 1983 -- 1988,a series of collection of freshwater prawns were made from Wuhu,Dangtu. Xuancheng, Nanling, Jingxian, Tongling, Guichi, Shitai, Qingyand, Shexian, Tun-gi, Qimen of the South Anhui Province by the authors. 7 species of Palaemonidae (Palaemon(Exopalaemon) modestus Heller, Palaemonetes sinensis Sollaud,Macrobrachium nipponense deHaan, M. superbum Heller, M. inflatum Liang et Yan, M. asperulum Van Martens, and M.wannanense sp. nov.)and 3 species of Atyidae (Caridina, denticulate de Haan, C. nilotica gra-cilipes de Haan and C. denticulate anhuiense Liang et al.) were found. The new species is de-scribed as follows and its types are kept in the Anhui Normal University and Institnte of Zool-ogy, Academia Sinica. Macrobrachium wannanense sp. nov. (figs. 1--4) Holotype (885101), Length: 64mm; allotype: (ovi.) (885102), Length: 52mm;Paratypes: 5 5 (3 ovi.) (885103), Shitai County (30°11′N, 117°27′E), AnhuiProvince. May 30, 1988. This new species closely resembles M. asperulum Van Martens 1868,but differs from it in: 1) The upper margin of rostrum bears 11--13 teeth, 3--5 of which are situated on thecarapace behind orbit, intervals between a series of teeth are nearly equal. 2) The scale isnarrow and longer, about 3. 2-- 3. 6 times as long as wide. 3)Second legs are equal or un-egual, in adult males, adout 1. 25--1. 67 times as long as body, distal end of its merus ex-tending beyond extremity of scale, and its carpus about 7 times as long as wide.
出处
《动物分类学报》
CSCD
1993年第3期301-305,共5页
Acta Zootaxonomica Sinica
关键词
十足目
长臂虾科
沼虾属
软甲亚纲
Malacostraca
Decapoda
Palaemonidae
Macrobrachium
new species
