Status of insecticide susceptibility in Anopheles arabiensis from Mwea rice irrigation scheme, Central Kenya
2006

Insecticide Susceptibility in Anopheles arabiensis from Mwea, Kenya

Sample size: 821 publication 10 minutes Evidence: high

Author Information

Author(s): Kamau Luna, Vulule John M

Primary Institution: Centre for Biotechnology Research and Development, Kenya Medical Research Institute

Hypothesis

Are Anopheles arabiensis mosquitoes from the Mwea rice irrigation scheme susceptible to insecticides approved by WHO?

Conclusion

The Mwea population of An. arabiensis is susceptible to all the insecticides tested, indicating effective vector control measures.

Supporting Evidence

  • Mortality rates were 100% for all insecticides except for lambdacyhalothrin, which averaged 99.46%.
  • Knockdown rates were not significantly different between the Mwea population and the susceptible KISUMU strain.
  • KDT50 and KDT95 values for the Mwea population were comparable to those of susceptible An. gambiae in other studies.

Takeaway

Scientists checked if mosquitoes in Mwea, Kenya, can be killed by certain insecticides, and found they can be killed by all of them.

Methodology

Insecticide susceptibility was tested using WHO diagnostic bioassay kits on non-blood fed mosquitoes aged one to three days.

Limitations

The study was limited to a specific geographical area and may not represent other regions.

Participant Demographics

The study involved An. arabiensis mosquitoes collected from the Mwea rice irrigation scheme.

Statistical Information

P-Value

p<0.05

Confidence Interval

95% CI for KDT50 and KDT95 values provided in the results.

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1475-2875-5-46

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