Editor’s note：The army worms did make the farmers in the northern and northeastern parts of the country worried quite much last year, because millions of mus of green stems were turned into plain stems within a few days and it had seriously damaged corn yield. This year is another year of high possibility of reoccurrence of army worm pest. It is necessary to make early preparations to ensure harvest. Lately, MOA issued a notice on advising the insect pest situation, so as to provide reference for farmers to get ready for preventing the pest.