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红、黄蜘蛛是柑桔的主要害虫之一，在柑桔产区普遍存在。大小树、幼苗终年都遭危害，４～６月和９～１１月是危害的高峰期。危害对象是新梢和树叶，严重时新梢叶片枯黄、落花落果。晴天的中午，由于强光和高温的引诱，活动的螨多半爬到树冠外围的叶面危害。适时采取快速喷药法
Red and yellow spiders are one of the main pests of citrus, which are commonly found in citrus producing areas. Trees, seedlings are endangered all year round, from April to June and from September to November is the peak of the damage. Endanger the object is the shoots and leaves, the shoots of young shoots are serious yellow, falling flowers. Sunny noon, due to the strong light and high temptations, the activity of mites mostly climb to the periphery of the canopy foliar hazard. Timely rapid spraying method