旋纹潜叶蛾的发生与防治旋纹潜叶蛾为潜叶性害虫，一般在防治其它害虫的同时即可兼治。近几年发生逐年严重，尤其是１９９３年和１９９４年该虫大发生，多数果园苹果树受害严重，已成为近年我县果园的主要害虫。经调查旋纹潜叶蛾在我县多数果园每年发生３代，各代成虫的发... Occurrence and control of Helicoverpa armigera The Helicoverpa armigera is a monocotyledonous pest, which is commonly used in the control of other pests. Occurred year by year serious in recent years, especially in 1993 and 1994 the pest occurred, most of the orchard apple trees seriously harmed, has become the county’s major orchards in recent years pests. After the investigation of spiral leaf moths in most counties in our county every year for 3 generations, generations of adult hair ...