陕西省北部,小麦穗期发生一种害虫,取食籽实,群众称之为“麦哨”,一般为害率2％左右,重者可达10％以上,每年都有不同程度的发生。但对产量影响不显著,所以末引起注意。当地老农反映,此虫在合作化前就有发生,且有 In the northern part of Shaanxi Province, a pest occurs during the wheat spike stage. The seeds are eaten by the masses. The masses call it “wheat whistle” and the damage rate is about 2%. The severe cases can reach 10% or more. Each year, it occurs to varying degrees. But the impact on yield is not significant, so the end attracted attention. Reflect the local farmers, the worm occurred before the cooperation has occurred, and there