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危害柑桔的螨类主要有柑桔全爪螨(又名柑桔红蜘蛛、柑拮红叶螨等)、柑桔始叶螨(又名柑桔黄蜘蛛、柑桔四斑黄蜘蛛等)、柑桔锈螨(又名柑桔锈壁虱、柑桔锈蜘蛛等)、柑桔瘿螨(又名柑桔瘤壁虱等)四种。这些害螨虫体微小,特别是后二者体型更小,人的肉眼还不易察觉。那么,柑桔一旦遭受螨害,在田间如何才能迅速、准确识别,并决定采取相应的防治措施呢? 一、根据危害症状辨别。柑桔全爪螨和柑桔始叶螨常聚集在柑桔新叶、嫩梢上吮吸汁液。
Mites harmful to citrus are mainly citrus red mite (also known as citrus red spider, orange antagonistic mite spider mite, etc.), citrus spider mite (also known as citrus yellow spider citrus yellow spot spider, etc.) Citrus rust mites (also known as citrus rust ticks, citrus rust spider, etc.), Citrus scabies mites (also known as orange citrus ticks, etc.) four. These pests mites body is small, especially after the smaller size of the latter two, the human eye is not easy to detect. So, once the citrus suffer from mite damage, how to quickly and accurately identify in the field, and decided to take appropriate preventive measures? First, according to the hazard symptoms. Citrus red mite and citrus green leaf spider mite often gathered in the new leaves of citrus, young shoot sucking juice.