Biochemistry and Microbiology, Universidade Estadual Paulista Júlio de Mesquita Filho Rio Claro, Brazil.
Zoology and Entomology, Universidade Estadual Paulista Júlio de Mesquita Filho Rio Claro, Brazil.
Front Microbiol. 2015 Feb 16;6:88. doi: 10.3389/fmicb.2015.00088. eCollection 2015.
Aedes aegypti mosquitoes are the primary transmitters of dengue fever, urban yellow fever, and chikungunya viruses. This mosquito has developed resistance to the insecticides currently used to control their populations. These chemical insecticides are harmful to the environment and can have negative effects on human health. Rhamnolipids are environmentally compatible biological surfactants, but their insecticidal activity has not been extensively studied. The present study evaluated the potential larvicidal, insecticidal, and repellent activities of rhamnolipids against A. aegypti. At concentrations of 800, 900, and 1000 mg/L, rhamnolipids eliminated all mosquito larvae in 18 h and killed 100% of adults at 1000 mg/L. According to the results it may be conclude that rhamnolipids should be applied to control larvae and mosquitos besides present the repellency activity against A. aegypti.
埃及伊蚊是登革热、城市型黄热病和基孔肯雅热病毒的主要传播媒介。这种蚊子已经对目前用于控制其数量的杀虫剂产生了抗药性。这些化学杀虫剂对环境有害，并可能对人类健康产生负面影响。鼠李糖脂是环境相容的生物表面活性剂，但它们的杀虫活性尚未得到广泛研究。本研究评估了鼠李糖脂对埃及伊蚊的潜在杀幼虫、杀虫和驱避活性。在 800、900 和 1000mg/L 浓度下，鼠李糖脂在 18 小时内消灭了所有的蚊子幼虫，并在 1000mg/L 浓度下杀死了 100%的成虫。根据结果可以得出结论，鼠李糖脂除了具有驱避埃及伊蚊的活性外，还应该用于控制幼虫和蚊子。
