https://doi.org/10.4081/jear.2013.e5

Wash resistance and repellent properties of Africa University mosquito blankets against mosquitoes

Vol. 45 No. 1 (2013)
Submitted: 27 August 2012
Accepted: 1 February 2013
Published: 23 April 2013
An. gambiae sl, wash resistance, repellence, bioassays, permethrin.
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Authors

N. Lukwa
nziraa33@yahoo.co.uk
National Institute of Health Research, Causeway, Harare, Zimbabwe.
A. Makuwaza
National Institute of Health Research, Causeway, Harare, Zimbabwe.
T. Chiwade
National Institute of Health Research, Causeway, Harare, Zimbabwe.
S.L. Mutambu
National Institute of Health Research, Causeway, Harare, Zimbabwe.
M. Zimba
University of Zimbabwe, Biological Sciences, Mount Pleasant, Harare, Zimbabwe.
P. Munosiyei
Bindura University of Science Education, Bindura, Zimbabwe.
The effect of permethrin-treated Africa University (AU) mosquito blankets on susceptible female Anopheles gambiae sensu lato mosquitoes was studied under laboratory conditions at Africa University Campus in Mutare, Zimbabwe. Wash resistance (ability to retain an effective dose that kills ≥80% of mosquitoes after a number of washes) and repellence (ability to prevent ≥80% of mosquito bites) properties were studied. The AU blankets were wash resistant when 100% mortality was recorded up to 20 washes, declining to 90% after 25 washes. Untreated AU blankets did not cause any mortality on mosquitoes. However, mosquito repellence was 96%, 94%, 97.9%, 87%, 85% and 80.7% for treated AU blankets washed 0, 5, 10, 15, 20 and 25 times, respectively. Mosquito repellence was consistently above 80% from 0-25 washes. In conclusion, AU blankets washed 25 times were effective in repelling and killing An. gambiae sl mosquitoes under laboratory conditions.

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Supporting Agencies

Africa University
N. Lukwa, National Institute of Health Research, Causeway, Harare
Medical Entomologist
A. Makuwaza, National Institute of Health Research, Causeway, Harare
T. Chiwade, National Institute of Health Research, Causeway, Harare
S.L. Mutambu, National Institute of Health Research, Causeway, Harare
Director
M. Zimba, University of Zimbabwe, Biological Sciences, Mount Pleasant, Harare
Lecturer, vector control and entomology
P. Munosiyei, Bindura University of Science Education, Bindura

How to Cite

Lukwa, N., Makuwaza, A., Chiwade, T., Mutambu, S., Zimba, M., & Munosiyei, P. (2013). Wash resistance and repellent properties of Africa University mosquito blankets against mosquitoes. Journal of Entomological and Acarological Research, 45(1), e5. https://doi.org/10.4081/jear.2013.e5

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