Helicoverpa armigera, a polyphagous pest, has traditionally been prevalent throughout the old world. While it has been predicted that it has the potential to make its foray into the New World, till very recently, it was not a reality. However, with its advent into southern America in recent years, the chances of its entry into northern America are extremely high. In such a scenario, with its wide host range of 181 species belonging to 47 families, many of which are major agricultural crops, the likelihood of this pest causing severe global damage is very high. Helicoverpa armigera is well on its way to becoming a ubiquitous pest. This chapter discusses the biology, damage measures and management strategies for this pest, which is currently causing a crop loss of USD 78 billion globally annually.

Polyphagous Pests of Crops

Author

Springer Nature Singapore Pte Ltd Fka Springer Science + Business Media Singapore Pte Ltd

1st edition 2021, Singapore, 2021

Springer Nature, Singapore, 2021

Singapore, Singapore

S.l, 2020

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Polyphagous pests are primarily agricultural pests that feed on economically important agricultural and horticultural crops of wide taxonomic diversity across the globe. They cause immense damage across different crop varieties owing to their generalist and voracious food habits. The advent of mono-crop culture in a huge area and the massive use of pesticides post green revolution have massively increased pest outbreaks all over the world. The Middle Eastern countries, African continent and even the Indian subcontinent is increasingly facing resurgences of polyphagus pests. This book compiles an inclusive account of polyphagous pests. It covers locusts, termites, aphids, whiteflies, mealybugs, scale insects, gram pod borer, fall armyworm, thrips, mites and rodents. The book discusses mode of spread, enormity of losses caused, mechanism of action, and also means to reduce the crop losses. It brings together a unique perspective for researchers to learn effective pest management practices across all crops. This book is a reference guide to researchers and also useful for academicians and students of entomology.