Orientation of Aphidius gifuensis Ashemed to Tobacco and Prey Combination Affected by Insecticides
2011
The orientation of Aphidius gifuensis Ashemed to tobacco and prey combinations affected by insecticides was investigated with Y-tube olfactometer.The results showed that normal tobacco leaves did not produce plant volatiles attractive to A.gifuensis,while after being injured by Myzus persicae,they produced herbivore-induced volatiles attractive to A.gifuensis.Compared to the control,the four tested insecticides obviously affected the foraging behavior of A.gifuensis.20% confidor EC,3% acetaniprid EC and omethoate 40% EC could inhibit,while cypermethrin obviously benefited the searching behavior of A.gifuensis.
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