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斜纹夜蛾（PriuenialituraFabricius）是一种食性很广的害虫。近年来该虫已成为芋的主要害虫之一，严重影响芋的生产。1997年钟山农场中芋的被害率为20％～50％，严重的达到90％，几乎把叶片吃光而仅残存叶脉；被害叶上幼虫数量不一，每叶少的10多头，多的100～200头，～般为50
Spodoptera litura (Priuenialitura Fabricius) is a very dietary pest. In recent years the worm has become one of the main pests of taro, seriously affecting taro production. In 1997, the damage rate of Taro was 20% ~ 50% in the farms of Zhongshan and reached 90% of the serious ones. The leaves were barely eaten and only the veins remained. The numbers of larvae on the leaves of the victims varied from 10 to less per leaf 100 to 200 head, ~ 50 as usual