Biological pest Control is fast becoming the best solution for insect pest control in the garden. This complete guide gives the latest practices from professional horticulture and botanical gardens to all garden settings. Of great interest to serious and professional gardeners, garden designers and horticulture students. Covers identifying specific pests and the natural enemies to use against them; which pest's favour which types of plants and so much more. Superbly illustrated with 137 colour photos.