Table 1. The number of adult Simulium damnosum s. l. black flies collected from Abu-Hamed and Galabat foci during 2007–2008 and 2009–2010.

Focus	Total Number of flies collected
	Abu-Hamed			Galabat
	Nady	Kalasecal	Total	Gumaiza	Hilat Khateir	Total
2007–2008	9521	21510	31031	1561	3043	4604
2009–2010	4583	4320	8903	784	2814	3598
Total	14104	25830	39934	2345	5857	8202