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吸果夜娥是山区柑桔的主要害虫。经调查,在广东发生的种类共52种。按成虫取食方式的特点可划分为:嗜食健果,兼食性和间接取食等三种类型,前两种类型能直接刺吸健果,是防治的主要对象。 在广东半山区和山区。嘴壶夜蛾属优势种,常造成严重的为害。据室内和田间调查,嘴壶夜蛾在广州发生5个叠置世代。雌蛾必须取食补充营养才能正常交配和产卵,幼虫寄主植物为粉防己与木防己。主要以幼虫在寄主植物或松土块下越冬。田间数量消长属于秋季大发生型,即年中幼虫发生数量以9～10月间为最高,成虫高峰期出现于10～11月。
Sucking night E mountain citrus is the main pest. After investigation, a total of 52 species occurred in Guangdong. According to the characteristics of adult feeding patterns can be divided into: addicted to healthy fruit, diet and indirect feeding and other three types, the first two types can directly pierce the fruit, is the main target of prevention and treatment. Mid-levels in Guangdong and the mountains. Moths are the dominant species of spider moth, often causing serious damage. According to indoor and field surveys, the spar Moth has occurred in over five overlapping generations in Guangzhou. Female moths must take nutritional supplements in order to normal mating and oviposition, larvae host plants Fenfen and Arborgia. Mainly larvae in the host plant or loose soil under the block. The decline in field quantity belongs to the large occurrence type in autumn, that is, the number of larvae occurring in the year is the highest from September to October, and the peak period of adults occurs from October to November.