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三化螟Ｔｒｙｐｏｒｒｚａ ｉｎｃｅｒｔｕｌａｓ 心加ｒ。ｉｎ。ｒｔｕｌａｓ（Ｗａｌｋｅｒ）是水稻的主要害虫之一，近年来局部地区种群数量全面回升。有关蚁螟蛀入与水稻生育期、品种的关系，钻蛀行为以及侵入与存活是影响种群数量发展的关键因素等已有许多研究［１－３
Stem Borer Tryporrza incertulas Heart Plus r. in. rtulas (Walker) is one of the major pests in rice. In recent years, the population of some regions has been fully recovered. There have been many studies on the relationship between rice stem borer infestation and rice growth period, varieties, drilling behavior and invasion and survival, which are the key factors affecting the population development [1-3