近几年,小麦吸浆虫在南阳地区逐年回升。一般地块每小方(16.7×16.7×20厘米)有虫100头左右,最高可达1000头以上。小麦损失一成以上,严重地块造成绝收。在防治上,传统用药是有机氯制剂,但有机氯农药已停产禁用,选择高效、低残留、低成本的取代农药已成为防治工作的当务之急。南阳地区植保站从1984年开始,组织有关县市。进行了虱螟灵、甲敌粉、敌敌畏毒土等几种农药防治小麦 In recent years, wheat midge resuscitation year by year in Nanyang area. Generally block each small square (16.7 × 16.7 × 20 cm) about 100 insects, up to 1000 or more. Wheat loss of more than 10 percent, resulting in a serious block of absolute income. In the prevention and control, the traditional medicine is an organochlorine preparation, but the organochlorine pesticides have been banned from production. The choice of efficient, low residue and low cost alternative pesticides has become a top priority for prevention and treatment. Nanyang Plant Protection Station from 1984 onwards, the organization of counties and cities. For the lice beetle, nail powder, dichlorvos poison soil and other pesticides to control wheat