玉米螟是玉米生产上的主要虫害之一,几乎每年都在玉米上造成严重危害。它是一种喜温暖高湿环境的虫害。今年江南一带雨水来得早、湿度大、气温偏高,对玉米螟的生长发育十分有利;另外,每年夏玉米播种期拉得长,更有利于其发生与危害,现将其发生特点与防治方法介绍如下:发生危害特点。玉米螟属于鳞翅目螟蛾科,为玉米常见多 Corn borer is one of the major pests in corn production, causing serious harm to corn almost every year. It is a kind of insects like warm and humid environment. This year, the rainfall in the southern part of the Yangtze River reaches earlier, the humidity is higher and the temperature is higher, which is very beneficial to the growth and development of the corn borer. In addition, the summer maize sowing period is long and more conducive to its occurrence and harm. Described as follows: Hazard characteristics. Corn borer Lepidoptera Pyralidae, common for corn