Synopsis Insects occur in different ecological niches of mangrove forest. They may be permanent residents or only transient visitors. They are either harmful or beneficial and plays an important role in ecology of mangrove systems. Most of the insect species in mangrove habitats are only temporal visitors and they do visit many other habitats. Insects like honeybees are beneficial to man. But several other types of insects occur as pests causing damage to the vegetation. A few others are biting types causing irritation and pain to the human beings but they live on other vertebrate animals living or frequenting the mangroves forests. The book will be of immense help to students, researchers and professionals engaged in agricultural insect activities.