Abstract
Insect pests can transmit diseases or affect the economy and their uncontrolled growth is intensified by human activity, which has affected ecosystems and interfered with trophic chains. Aedes aegypti L. transmits dengue, chikungunya, zika and yellow fever, while Sitophilus zeamais Motsch is a stored grain pest, and Nasutitermes corniger Motsch attacks trees and urban buildings. This work provides a review of the state of art and current trends, as well as a bibliometric analysis on the insecticidal activity of plant-based products against Ae. aegypti, S. zeamais and N. corniger. The review of literature data showed that plant insecticides comprise secondary metabolites and proteins that can impair the viability of embryos, larvae, pupae, and adults, as well as fertility and oviposition or feeding behavior of insects. Also, they tend to be more biodegradable and less harmful to non-target organisms compared to synthetic insecticides. The bibliometric analysis revealed the concentration of publications in tropical regions worldwide, where there is a strong occurrence of diseases transmitted by Ae. aegypti. These reports were far more numerous than those on N. corniger and S. zeamais. Furthermore, the synthesis of metallic nanoparticles from plant products has strongly emerged as a current trend.
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