Abstract
The current study aimed to evaluate the toxicity of silver AgNPs nanoparticles by dipping and feeding methods and for five concentrations (800, 400, 200, 100, 50) ppm in the stages of the house fly Musca domestica L., the concentration of 800 ppm caused an emergence inhibition rate of 100 %, while the lowest inhibition rate was at a concentration of 50 ppm, which amounted to 36% by immersion method after ten days of treatment, while the value of LC50 (the concentration that kills 50% of insects) reached (422.711) ppm. While the percentage of inhibition by feeding method reached 93% at a concentration of 800 ppm, and the concentration of 50 ppm gave the lowest inhibition rate of 43% and for the same time period, and the value of LC50 (794.099) ppm. For both methods. The results also showed that all concentrations had an effect on the natural development of the growth of the different stages and caused the appearance of deformations in the pupa and the adult and a decrease in the percentage of the appearance of the adult. The results showed that the effect of silver nanoparticles by dipping method was higher than by feeding method for all phases.
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