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本文通过收集苹果和梨树上的蛀果模拟自然落果,研究了苹果蠹蛾Cydia pomonella(L.)脱果幼虫的爬行特性。结果发现,58.91%的幼虫钻出蛀果进行了爬行,而41.09%滞留于果堆内部;在进行爬行的幼虫中,50%的幼虫爬行距离在0～1m之间,95%的幼虫爬行距离在0～7m之间,这意味着在实际防治过程中,落果周围0到7m的范围都需要做防治处理,而0～1m的范围需要重点防治;幼虫在果堆放置后的0～25d持续脱果,表明当果园内有落果时需要马上及时清理;幼虫结茧的高度大部分在50cm以下,在实际防治过程中,树干缚带诱杀幼虫时应将诱集带设置在距地面0～0.5m的主干上,以保证落果幼虫也可以被诱集带捕获。
In this paper, the crawling characteristics of Cydia pomonella (L.) deciduous larvae were studied by collecting deciduous fruit from apple and pear trees. The results showed that 58.91% of the larvae crawled and 41.09% stayed in the pile. Among the crawling larvae, 50% of the larvae crawled within 0 ~ 1m and 95% of the crawling distance In 0 ~ 7m, which means that in the actual control process, the area around 0-7m should be dealt with and the range of 0-1m should be controlled. The larvae lasted 0-25d after placement Off fruit, indicating that when the fruit orchards need to be promptly cleaned up when the fall; most of the cocoon larvae most of the height below 50cm, in the actual prevention and control process, the trunk trap with trap larvae should be set at 0 ~ 0.5 m on the trunk, to ensure that the fruit drop larvae can also be trapped capture.