Effect of erythritol and sucralose formulation on the survivorship of the mosquito Aedes aegypti
Abstract
Erythritol, a non-nutritive 4-carboned polyol, was demonstrated to have insecticidal properties for multiple arthropod pests. The erythritol formulations combined with sucrose, as a phagostimulant, enhanced consumption and insecticidal efficiency on the pests. However, adding sucrose contributes nutritional carbohydrate resources in the same pests, can lead to the development of microbes in the field, and creates a sticky residue on plants sprayed with the solution. In this study, we tested and compared erythritol formulations combined with sucrose or sucralose, and identified insecticidal activities on adults of the mosquito Aedes aegypti. The erythritol and sucralose formulation is a less sticky solution, and significantly reduced the survivorship of adult mosquitoes, it may have merit as an alternative method for mosquito control and warrants further evaluation.
Sumario
Se demostró que el eritritol, un poliol de 4 carbonos no nutritivo, tiene propiedades insecticidas para múltiples plagas de artrópodos. Las formulaciones de eritritol combinadas con sacarosa, como fagoestimulante, mejoraron el consumo y la eficacia insecticida sobre las plagas. Sin embargo, el agregar sacarosa aporta recursos nutricionales de carbohidratos en las mismas plagas, que puede conducir al desarrollo de microbios en el campo y crear un residuo pegajoso en las plantas rociadas con la solución. En este estudio, probamos y comparamos formulaciones de eritritol combinadas con sacarosa o sucralosa, e identificamos actividades insecticidas en adultos del mosquito Aedes aegypti. La formulación de eritritol y sucralosa es una solución menos pegajosa y redujo significativamente la sobrevivencia de los mosquitos adultos, puede tener mérito como método alternativo para el control de mosquitos y justifica una evaluación adicional.
Key Words: artificial sweeteners; zero-calorie sugar; human-safe insecticide; mosquito control
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