Synergy between repellents and non-pyrethroid insecticides strongly extends the efficacy of treated nets against Anopheles gambiae
2007

Combining Repellents and Insecticides to Control Malaria Mosquitoes

publication Evidence: high

Author Information

Author(s): Cédric Pennetier, Vincent Corbel, Pélagie Boko, Abibatou Odjo, Raphaël N'Guessan, Bruno Lapied, Jean-Marc Hougard

Primary Institution: Institut de Recherche pour le Développement (IRD)

Hypothesis

Can mixing repellents with non-pyrethroid insecticides improve the effectiveness of treated nets against Anopheles gambiae?

Conclusion

The study found that combining repellents with non-pyrethroid insecticides significantly enhances the effectiveness of treated nets against malaria mosquitoes.

Supporting Evidence

  • Mixing DEET and pyrimiphos methyl resulted in 95% mosquito mortality for over two months.
  • The blood feeding rates were significantly lower for the mixtures compared to each component used alone.
  • Synergistic interactions between organophosphates and repellents can enhance vector control.

Takeaway

Using bug spray and special insecticides together can help keep mosquitoes away for a longer time, making it harder for them to bite you.

Methodology

The study used laboratory tunnel tests to assess the effectiveness of treated nets with different combinations of repellents and insecticides against mosquitoes.

Limitations

The study was conducted under laboratory conditions, which may not fully represent field conditions.

Digital Object Identifier (DOI)

10.1186/1475-2875-6-38

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