Synopsis This book gives a comprehensive account of predacious spiders of crop pests, which may be used as a text book for undergraduate and post graduate students of zoology, entomology, ecology and shall also serve as a hand book for agricultural experts, research scholars, supervisors and project coordinators. It also aims at identification of some important spiders with pictorial presentation. This book has given major emphasis on Integrated Pest Management (IPM) and gained greater momentum in several countries.