Field and Laboratory Evaluation of Bioefficacy of an Insect Growth Regulator (Dimilin) as a Larvicide against Mosquito and Housefly Larvae
2011

Effectiveness of Dimilin as a Larvicide Against Mosquito and Housefly Larvae

Sample size: 1500 publication 10 minutes Evidence: high

Author Information

Author(s): Msangi Shandala, Lyatuu Ester, Kweka Eliningaya J.

Primary Institution: Tropical Pesticides Research Institute

Hypothesis

Exposure to IGRs would reduce the mosquitoes and houseflies emerging population density and extend duration to attain maturity.

Conclusion

Dimilin is effective in controlling the larvae of Anopheles gambiae and Culex quinquefasciatus, as well as housefly larvae.

Supporting Evidence

  • Dimilin showed high mortality rates in mosquito larvae, with no pupae emerging in treated groups.
  • Housefly larvae treated with Dimilin showed significant suppression of adult emergence.
  • Field trials indicated a continuous decline in mosquito larvae populations in treated areas.

Takeaway

This study tested a special chemical called Dimilin to see if it could stop mosquito and housefly babies from growing up. It worked really well!

Methodology

Laboratory and field tests were conducted using different formulations of Dimilin on mosquito and housefly larvae, with various concentrations and control groups.

Potential Biases

Potential bias in sampling methods and environmental factors affecting larval populations were not fully controlled.

Limitations

The study did not assess the long-term effects beyond 30 days and focused primarily on larval stages.

Participant Demographics

The study involved mosquito and housefly larvae from various breeding sites in Tanzania.

Statistical Information

P-Value

0.017

Confidence Interval

95% CI 1.69–6.24

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1155/2011/394541

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