在苹果树上悬挂糖醋液瓶子诱集金龟子是无污染、无残留、成本低的有效措施。开始用透明玻璃瓶,发现诱虫量小。后来受金龟子在苹果开花期能从远处直接飞落到苹果花朵上的启发,给瓶子涂上不同颜色,诱虫量明显增加,以红、黄色瓶子最好,橙、蓝色的次之。可用油漆涂抹或用颜色纸糊贴 In the apple tree hanging sweet and sour liquid bottle trap chafer is pollution-free, no residue, low cost effective measures. Start with a transparent glass bottle and found that the amount of attractant is small. Later by the beetles in the apple flowering period can fly directly from afar to apple flowers on the inspiration, the bottle coated with different colors, the amount of trap increased significantly, with red, yellow bottle best, orange, blue second. Available paint or paste with color paper