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Centre for Vector Biology and Control Research, P. O. Box 1578 Kisumu 40100 Kenya.
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State Research Institute of Lake and River Fisheries, 199053 St. Petersburg, Russia
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Kemerovo State University, Kemerovo, Russia
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Institute of Nature Conservation and Environmental Education, University of Vechta, Driverstrasse 22, D-49377, Vechta, Germany
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National Museum, Bloemfontein, South Africa
University of the Free State, Bloemfontein, South Africa
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University of Milan, Via Celoria, 2, 20133 Milan, Italy
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Department of Biology, Faculty of Sciences, Firat University, Elazig, Turkey
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Solhan Vocational School of Health Services, Bingöl University, Solhan, Bingöl, Turkey
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Department of Biological Sciences, University of Alberta, Edmonton, Alberta, CANADA, T6G 2E9