南阳县安皋乡徐坪村后坪、竹园等地有种植莲藕的习惯。从1988年6月上旬开始,发现莲叶上出现苍蝇粪样小黑点,以后扩散,约半月时间叶子干枯。此时扒藕发现莲藕鞭节间部位有许多小白虫,每节间多的10几头,少的2—3头,咬食莲鞭新扎的小白根。该(幼)虫生活在20-25cm深的泥巴中。群众曾喷打剧毒农药,把蛇、青蛙都毒死了,唯有小白虫不死。新藕池和老藕池近几年均有发生,减产在50％以上。查不到有关资料,特请知此虫者帮助。 Nanyang County, Gao Pingxiang Xu Ping Village, Chuk Yuen and other places have the habit of planting lotus root. From the beginning of June 1988, it was found that there was a small black spot in the lotus leaf on the lotus leaf, spreading later, and the leaf was dry in about half a month. Pa lotus root lotus found at this time there are many small whip internode site, each more than 10 a few heads, less 2-3 head, bite eat lotus whip new bar white roots. The (young) worm lives in a mud of 20-25 cm depth. The masses have sprayed highly toxic pesticides, the snakes, frogs are poisoned, only small white worms die. New Ouchi and Ouchi pool have occurred in recent years, cut in more than 50%. Can not find the relevant information, especially to know the insect help.