Leaf beetles (family Chrysomelidae) represent one of the most diverse and ecologically significant beetle families, comprising over 40,000 described species worldwide. These insects are primarily herbivorous, displaying complex feeding behaviors that range from generalist folivory to extreme host specialization. While they contribute to ecosystem processes such as herbivory, nutrient cycling, and plant population regulation, certain species become destructive pests, particularly in anthropogenically altered environments. This article investigates their feeding ecology in both natural and transformed ecosystems and evaluates the impact of environmental factors such as land use, climate change, and agricultural intensification on their population dynamics. Additionally, we explore preventive and ecologically sound control strategies within an Integrated Pest Management (IPM) framework, emphasizing biological control agents, cultural practices, botanical insecticides, and habitat manipulation. A synthesis of current research highlights that sustainable beetle management depends on a nuanced understanding of their ecological roles and responses to environmental disturbances. Preventive approaches based on IPM principles offer long-term, effective solutions to control leaf beetles while maintaining ecological integrity.  

Chrysomelidae, feeding behavior, leaf beetles

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