云南香蕉根围长针科线虫(线虫门:矛线目)的鉴定

IDENTIFICATION OF TWO SPECIES OF Longidorus AND Xiphidorus(Nematoda:Dorylaimida) FROM RHIROSPHERE OF BANANA IN YUNNAN

从云南香蕉根际土壤中，检查出２种长针线虫（Ｌｏｎｇｉｄｏｒｕｓ）和１种剑针线虫（Ｘｉｐｈｉｄｏｒｕｓ），其中Ｌ．ｉｎｔｅｒｍｅｄｉｕｓ是香蕉上的新纪录种，剑针线虫为我国新纪录属。

Three species of Longidorus and Xiphidorus were detected from the soil around banana in Yunnan. L. intermedius was the first reported on banana, Xiphidorus was new record of plant parasitic nenatodes in China. Xiphidorus sp. characterized by body length 2.242.46 mm. Amphidial fovea pouchlike. Odontostyle 159.06178.34 m long, with moderately developed basal flanges. Odontocone attenuate, needlelike, with a forked base at its junction with the odontophone. Guiding ring single, thick and posteriorly located near the odontocone base. Nucleus of dorsal gland small, rounded; situated some distance posterior to its orifice.