The recent problems caused by whiteflies are addressed by developing alternative control strategies based on integrated pest management (IPM), with emphasis on biological control using indigenous and naturalised natural enemies (parasitoids and predators). (read more)
Although a number of natural enemies for control of horticultural pests are available from overseas companies, it is impractical to import natural enemies in large numbers into South Africa because of environmental concerns and import restrictions, and distance and costs involved. (read more)
Polyphagous insects, when exposed to different host plants simultaneously, are often found to experience a difficulty in making a decision when selecting food and oviposition sites. (read more)
