Release of Amblyseius cucumeris(Acari: Phytoseiidae)to control pest mites of moso bamboo

The studies on releasing of Ambiyseius cucumeris Oudeman to control pest mites in moso bamboo forests of Nanping and Yongan cities where seriously damaged by mites during 1999-2002 were conducted. The result showed that the densities of Schizotetranychus nanjingensis Ma Yuan, S. bambusae Reck, Aponychus corpuzae Rimando, Aculus bambusae Kuang reduced significantly to 84.00% , 99.37% , 100.00% and 100.00% respectively. The number of predatory mites at bio-control area increased by 73.45%(1 month after releasing)and 12.18%(2 monthes after releasing)compared with those of CK. The moso bamboo grew best compared with CK.