Biological control as a method of insect pest management has been used successfully in the greenhouse vegetable industry in Europe and Canada for many years.  In the last 5 years, the interest in biological control has increased throughout the greenhouse floriculture industry in the United States. In recent New York State surveys of growers attending greenhouse IPM programs, 20-30% indicated that they would like to initiate biological control programs in their greenhouses.  While this percentage may seem low, for a new technology in the range of early adopters, it is relatively high.