象草根部剑属线虫种类鉴定

Identification of Xiphinema spp.(Nematoda:Dorylaimoidea)auound the Roots of Pennisetum purpureum in Suburb of Guangzhou

本文报道广州郊区象草根部发现的４种剑属线虫：移去剑线虫Ｘｉｐｈｉｎｅｍａｅｔｏｎｇａｔｕｍ、摹仿剑线虫Ｘ．ｉｍｉｔａｔｏｒ、标明剑线虫Ｘ．ｉｎｓｉｇｎｅ和根剑线虫Ｘ．ｒａｄＪｃｉｃｏｌａ。分别记述了它们的形态测量数据、鉴定特征、分布及其密度。

From 1990 to 1991,42 specimens of Xiphinema were collected around theroots of Pennisetum purpureum in suburb of Guangzhou。They have been identified:Xiphinema etongatum Schuunnans Stekhoven & Teuunissen,1938;X. imitator Heyns,1965; X.insigne Loose,1949 and X.radicicola Goodey,1936.The diagnosis,distribu-tion and population density of them are given in this paper;All specimens of the fourspecies kept in Department of Plant Protection,South China Agricutural University,Cuangzhou,China。