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桃蛀螟Conogethes punctiferalis(Guenée)是一种多食性的蛀果害虫,近年来其发生危害日趋加重。本研究通过田间调查,探究了桃蛀螟在广东的发生情况、分布及其种群动态。结果表明,广东桃蛀螟发生主要集中在粤东地区的河源市以及粤北地区的清远和韶关市,并在上述地区的板栗和鹰嘴蜜桃上发生严重危害,该虫在珠三角地区零星发生,在粤西、梅州和潮汕地区则尚未发生危害。除板栗和鹰嘴蜜桃外,受桃蛀螟为害的作物还有三华李、水晶梨、荔枝、龙眼、杨桃、向日葵和甜玉米,但受害较轻。桃蛀螟成蛾在广东河源一年有5个发生高峰,并以幼虫于11月下旬至翌年3月上旬越冬。
Conogethes punctiferalis (Guenée) is a polyphagous boring pest that has become more and more harmful in recent years. In this study, field investigation was conducted to investigate the occurrence, distribution and population dynamics of Conopedora in China. The results showed that the occurrence of peach moth borers mainly occurred in Heyuan City of eastern Guangdong Province and Qingyuan City and Shaoguan City in northern Guangdong Province, and serious damage occurred in the chestnut and oyster peaches in the above areas. The insects were sporadic in the Pearl River Delta Occurred in western Guangdong, Meizhou and Chaoshan region has not yet occurred harm. In addition to the chestnut and jackdaw peach, the fruit borer borer boreal borer there Samwa plum, crystal pear, lychee, longan, star fruit, sunflower and sweet corn, but less victims. Peach moth bore moths in Heyuan, Guangdong, a peak of 5 occurred a year, and the larvae from late November to early March the following year winter.