Larvicidal effect of the juvenile hormone mimic pyriproxyfen on Culex pipiens.

  title={Larvicidal effect of the juvenile hormone mimic pyriproxyfen on Culex pipiens.},
  author={Mohamed M El-Shazly and Baraka M Refaie},
  journal={Journal of the American Mosquito Control Association},
  volume={18 4},
The larvicidal activity of the juvenile hormone mimic pyriproxyfen was evaluated against the 4th larval instar of Culex pipiens under 5 constant temperatures in the laboratory. Toxicity of this insect compound increased with temperature. The 50% lethal concentrations ranged between 0.00111 ppm at 20 degrees C and 0.00013 ppm at 32 degrees C. A similar trend was observed for the 90% lethal concentrations, which varied from 0.00379 ppm to 0.00024 ppm at the 2 temperatures, respectively. Some… CONTINUE READING


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