果园蚜虫的发生及应用异色瓢虫控蚜

Occurrence of Aphid in Orchard and Control of Aphid Using Harmonia axyridis

果园蚜虫发生种类多且为害时期长,应用化学防治会使水果内含有残留农药。异色瓢虫Harmoniaaxyridis(Pallas)是蚜虫的优势种天敌,且对蚜虫有广泛的控制作用。在果业生产中,就地取材保护利用异色瓢虫,不仅可以有效控制果园蚜虫,而且能够保证人们安全食用果品。

The kinds of aphid in orchard last long time,the fruit would be polluted by chemistry control.Harmonia axyridis is the one of the most predominant natural enemy and it can eat kinds of aphid.Harmonia axyridis is protected and used in the produce of fruit trees,which can control aphid effectively and also assure edible safe of the fruit.Pallas is a kind of valuable natu-ral enemy insect to exploit.