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我场地处广东博罗杨村的丘陵山地。柑桔园中害虫种类繁多。但1974年以来,果园中尺蠖、卷叶蛾、介壳虫类、凤蝶、蝽蟓等害虫数量大为减少,每年造成较大经济损失的害虫不过几种。当前果园主要害虫有:柑桔木虱、红蜘蛛、潜叶蛾、锈壁虱、天牛。为了解我场柑桔害虫天敌情况,我们于1982—83年在实施常规化学防治的果园中,对天敌
My field is located in Boluo Yang Village, Guangdong hilly mountains. Citrus orchards in a wide variety of pests. However, since 1974, the number of pests such as mesocarp, leaf roller moth, scale insects, papilionidae and stink bugs in the orchard has been greatly reduced. However, several pests causing great economic losses each year are few. The main pests in the current orchard are: citrus psylla, red spider, leaf miner, rust tick, and celastrus. In order to understand the situation of natural enemies of citrus pests in our field, in 1982-83 in the implementation of conventional chemical control of orchards, natural enemies