柑桔蚜虫是我省柑桔的四大类害虫之一，对柑桔生产和品质影响极大。近年来的研究证实柑桔蚜虫的优势种群已发生演变，桔一棉蚜（Aphisgossypii）取代桔蚜和桔二叉蚜而成为柑桔蚜虫的优势种，为寻找防治柑桔蚜虫（以桔一棉蚜为主）的有效药剂，我们进行了20％NI25SP防冶蚜虫的药 Citrus aphids is one of the four major pests of citrus in our province, which has a great impact on citrus production and quality. In recent years, studies have confirmed that the dominant population of citrus aphids has evolved. Aphis gossypii replaced orange aphid and citrus aphid and became the dominant species of citrus aphids. In order to find a citrus aphid Aphid-based), we conducted a 20% NI25SP anti-aphid drug