In article <3fj573$lat at ghost.sm.dsi.unimi.it>, delle at pc.unicatt.it (Massimo Delledonne) says:
>>We have a incredible whiteflies invasion in hour greenhouse and we are loosing a lot of transgenic tobacco and tomato .....
>Anybody knows how to kill this terrible bug?
>Well, the best method is clearly biological control.
Especially if it is the whitefly Trialeurodes vaporariorum.
Use the parasitic wasp Encarsia formosa, which will be know by any
supplier of biological control agents.