对水稻晚熟种的稻根内的三化螟虫,可采用如下简便的检查方法:将左手握住稻丛,大姆指和食指捻住某一支稻根(捻在离地面1—3厘米处的节上)。并用大姆指的指甲抵牢节的稍下部。然后将右手的大姆指和食指捻住这支稻根的顶端(下面一些亦可以,不过费力大些)。右手用力向内一折(即向身体的方向)。这 The late rice varieties of late rice in the rice stem borer, the following can be used as a simple inspection method: the left hand holding the rice plexus, thumb and index finger twisting live a certain rice root (twist in the ground 1-3 cm Section). And with thumb thumb nails nodal slightly below. Then twist the thumb of your right hand and your index finger over the top of this rice root (some of the following are okay, but more laborious). Right hand forced a fold inward (that is, to the direction of the body). This