Wuluh starfruit (Averrhoa bilimbiL.) Is a plant that is used daily as a cooking spice. Wuluh starfruit (Averrhoa bilimbiL.) Is a plant that has the potential as a larvicide, containing starfruit (Averrhoa bilimbiL.) Which can function as larvacides, namely alkaloids, saponins, and flavonoids. This study aims to determine the effectiveness of star fruit wuluh (Averrhoa bilimbi L.) as a larvicide for Aedes sp. This research was an experimental laboratory study with a post test only control group design, the subjects were divided into two groups, namely the treatment group and the control group. The sample of this research was 350 larvae of Aedessp ovitrap. The results showed that the effectiveness of the starfruit fruit (Averrhoa bilimbiL.) The death of Aedes sp larvae within 24 hours was declared ineffective at concentrations of 2%, 3%, and 4% while those declared effective were at concentrations of 5%, 6%, 7%. and 8%. The results of the calculation of the probit analysis show that the value of LC50 is 4.080% and LC90 is 7.014%. Wuluh starfruit is effective as a natural larvicide for the Aedes sp.
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