冬季花卉入窖后,由于室内温度高、湿度大、通风透气条件差,极易遭受粉虱的为害。寄主植物主要有报春花、瓜叶菊、仙客来等草本花卉,也为害南天竹、柑桔类等木本花卉。粉虱的卵产于叶子背面,并有象棉花似的分泌物,以若虫群集在叶片背面吮吸汁液,被害处形成黄斑,失去光合作用能力, Winter flowers into the pit, due to indoor temperature, humidity, ventilation and ventilation conditions, vulnerable to whitefly damage. Host plants mainly primrose, cineraria, cyclamen and other herbal flowers, but also for the damage Southern bamboo, citrus and other woody flowers. Whitefly eggs produced in the back of the leaves, and like cotton-like secretions to nymphs in the back of the cluster sucking juice, the formation of macular damage, loss of photosynthetic capacity,