一、小麦吸浆虫发生概况安阳县1983年首次发现小麦吸浆虫,当时发生面积不大,仅在个别地块零星发生危害,进入上世纪90年代前后,发生面积迅速扩大,偏重至重发生面积逐渐扩大,发生面积最大时在6670万平方米左右,经过连续多年防治,才基本得以控制。进入2010年后,小麦吸浆虫危害又呈明显加重趋势。2012~2013年在全县普查,安阳县中东部部分地区普遍发生,且个别发生严重,普查结果表 First, the occurrence of wheat midge insects In 1983, Anyang County, the first discovery of midge, was not a large area, only in a few blocks sporadic harm, into the 90s of last century, the area has rapidly expanded, the area of ​​emphasis to occur gradually expanded, Occurred at the largest area of ​​66.7 million square meters, after many years of prevention and control, it was basically under control. Into 2010, wheat midge insects harm again showed a significant increase in the trend. In 2012 ~ 2013 in the county census, Anyang County, central and eastern parts of the common occurrence, and individual serious, census results table