noctuid moth larvae that travel in multitudes destroying especially grass and grain 同义词：armyworm, Pseudaletia unipuncta,
The Fall Armyworm (Spodoptera frugiperda) is part of the order of Lepidoptera and is the caterpillar life stage of a moth. It is regarded as a pest and can wreak havoc with crops if left to multiply.
例句与用法
1.
Test of several low - toxic insecticide on control of beet army worm in welsh onion 几种低毒杀虫剂防治大葱甜菜夜蛾试验
2.
We implemented mentioned above functions with visual c + + 6 . 0 language , developed software package , associated with designed hardware system , tested 8 kinds of common agricultural pest , for example , eterusia aedea linneus , parasa consocia , marumba aperchius , asparagus caterpillar , maize borer , cotton bollworm , army worm , and so on . rate of recognition is up to 85 . 7 % . when it c 用visualc什6 . 0语言实现了上述各环节的功能，开发了识别系统软件包，与研制的硬件装置相配合，分别对茶斑蛾、褐边绿刺蛾、栗六点天蛾、甜菜夜蛾、玉米螟、棉铃虫、粘虫等8种常见的农田害虫进行测试，识别率达到了85 . 7 % 。
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