Predatory mites are the most important natural enemies used for biological pest control in greenhouse horticulture. Many of these predatory mites are mass-reared on
Supplementary feeding of predatory mites with a pollen preparation has outgrown the trial phase. A large number of growers is successfully using this method.
As every grower knows, thrips are a huge problem in ornamentals grown under glass. The usual suspect is the Californian thrips, a species with