Important strategies for combating mosquito vectors include the application of
larvicides. However, existing larvicides use the active substances of synthetic insecticides,
which are often risky substances for both the environment and human health. Therefore new
suitable alternatives have been sought, including the development of botanical larvicides
based on plant essential oils (EOs). Although they show excellent larvicidal efficacy, the persistence
of this efficacy is often insufficient. Such formulation methods and techniques that
would allow for extending the efficacy period of the larvicides have thus been sought. Highly
promising methods also include EO encapsulation. This paper summarizes the current
knowledge, and it discusses the opportunities and prospects offered by EO encapsulation
methods when used for the development of botanical insecticides. Although research in this
field has only begun, it was possible to conclude based on existing published papers that encapsulation methods
may extend the efficacy period while gradually releasing the active substances of the EOs. These methods also
seem to offer excellent prospects for the future direction of the development of new botanical larvicides which are
safe for the environment and health.
Keywords: Encapsulation, essential oils, mosquito, larvicides, botanical insecticides.
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