White fly can be controlled in greenhouses by introducing Encarsia formosa, a white fly parasite (5 parasites/plant). Some also use a vaccuum to suck up the flies from the plants. Steve Bonney, President Indiana Sustainable Agriculture Association 100 Georgton Ct. W. Lafayette IN 47906 (317) 463-9366, fax (317) 497-0164 email sbonney@iquest.net