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		institute of Parasitology, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske
 Budejovice, Czech Republic;
 
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		Department of Mycology and Algology, Faculty of Biology, Moscow Lomonosov State University,
 Moscow, 119992 Russia
 
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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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		e-mail
	Laboratoire d’Entomologie Fondamentale et Appliquée, UFR/SVT, Université Joseph Ki-Zerbo, Burkina Faso;
 Laboratoire Central d’Entomologie Agricole de Kamboinsé, Institut de l’Environnement et de Recherches Agricoles (INERA), Burkina Faso
 
 
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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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	 Disinfectology Institute of the Federal Scientific Center of Hygiene named after F. F. Erisman of the Federal Service for the Oversight of Consumer Protection and Welfare, Moscow, Russia 
 
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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