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Insects are key components of life on our planet, and their presence is essential for maintaining balanced terrestrial ecosystems. Without insects humans would struggle to survive, and on a world scale food production would be severely compromised. Many plants and animals depend directly or indirectly on insects for their very survival, and this is particularly so in the case of insectivorous birds and other such creatures. The beneficial role of insects is often overlooked or misunderstood, and in farming circles their very presence on crops is often seen to be unwelcome. In reality, however, many insects are genuinely beneficial, as in the case of parasitic and predacious species. The use of chemical pesticides to control crop pests is becoming more tightly regulated and environmentally undesirable, and low-input farming, in which natural enemies of pests are encouraged to survive or increase, is becoming far more prevalent. Accordingly, Integrated Pest Management (IPM) and Integrated Crop Management (ICM) strategies are increasingly being developed, advocated and adopted.
PART 1 INTRODUCTION AND OVERVIEW
Chapter 1 Introduction
Chapter 2 Beneficial insects — an overview
PART 2 INSECTS AS NATURAL ENEMIES OF PLANT PESTS
Chapter 3 True bugs
Chapter 4 Lacewings and allied insects
Chapter 5 Beetles
Chapter 6 True flies
Chapter 7 Wasps and allied insects
Chapter 8 Miscellaneous predators
PART 3 INSECTS AS NATURAL ENEMIES OF WEEDS
Chapter 9 Beneficial phytophagous insects and mites
Appendix I List of parasitic and predacious insects and mites etc. cited in Part 2
Appendix II List of insects and mites cited in Part 2 as prey of parasites, parasitoids or predators
Appendix III List of phytophagous insects and mites associated with weeds
Appendix IV List of plants mentioned in the text
Dr David V. Alford began his entomological career at the world-famous Rothamsted Experimental Station. He later joined the Ministry of Agriculture, Fisheries & Food in Cambridge, where he was eventually appointed Regional Entomologist. He has wide experience of insects and mites associated with agricultural and horticultural crops, both at home and abroad, and has published many scientific papers and profusely illustrated reference books. In 2007 he was awarded the British Crop Protection Council’s gold medal for services to crop protection in the UK, and in 2008 received the prestigious Anton de Bary Medal from the Deutsche Phytomedizinische Gesellschaft e.V. in recognition of his work on general and applied entomology.
"The anthropocentric perspective adopted here by renowned British entomologist Alford provides an excellent lens to reveal the complex relationships where insect life intersects positively with human valued resources. This superlative, well-illustrated overview is a valuable reference to facilitate further studies."
– M. K. Harris, emeritus, Texas A&M University, in Choice Jan 2020.