我场一队磨山柑园中,有几处未开垦的坟地,终年长着杂草,是多种害虫栖息和繁殖的场所。尤其是稻蝗、负蝗等,在坟地间的杂草里跳来跳去,为害作物。 负蝗(图1)又叫尖头蚱蜢,有大、小尖头蚱蜢之分。食性极杂,除为害柑园间种的花生、大豆、白菜,甘薯等作物外,还为害柑树嫩叶和幼果。近两年的7、8月间,负蝗为害柑树猖獗,磨山柑园有 In our mills, there are several uncultivated burial grounds and weeds all year round. It is a place where many pests inhabit and multiply. In particular, rice locusts, negative locusts, etc., in the weeds in the cemetery jump in and out, crop damage. Negative locust (Figure 1) Also known as pointed grasshoppers, large, small pointed grasshoppers points. Exceptional food habits, in addition to the damage citrus garden species of peanuts, soybeans, cabbage, sweet potatoes and other crops, but also damaged young leaves and young citrus trees. In recent two years in July and August, the negative locust-ridden citrus trees rampant, moss orange garden