据湟源县农技推广中心技术人员调查,麦茎蜂目前已进入老龄幼虫期或化蛹前期阶段,虫口密度最低0.2万头/亩,最高 8.5万头/亩。结合有关气象资料分析,预计今年湟源县麦茎蜂仍为中度偏重发生,成虫将于6月上旬出现,6月中下旬盛发, 广大农民群众和有关部门应及早着手,为麦茎蜂统防统治做好准备工作。前段时间由于少雨干旱,气温较高,黄条跳甲在川水地区甘兰型油菜田较为猖獗,但经有效防治,没有造成大的损失,今后一段时间要重视加大对脑山地区白菜型油菜田跳甲的 According to the Huangyuan County Agricultural Technology Promotion Center, technical personnel survey, wheat stem bee now has entered the stage of aging larvae or pupation stage, population density of the lowest 0.2 million / mu, the highest 85,000 / acre. Combined with the relevant meteorological data analysis, it is estimated that this year, Huangyuan County, stemmers were still moderately severe occurrence of adults will occur in early June, mid-and late June Shengfa, the broad masses of peasants and relevant departments should proceed as soon as possible, Preparation and prevention of ruling well. Some time ago due to the lack of rain and drought, the temperature is higher, the yellow striped beetle is more rampant in the Kansu-type rape fields in Sichuan. However, effective prevention and treatment have not caused any significant losses. In the future, we should pay more attention to increasing the cabbage-type Rape field hopping