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Table 1 Sites, dates and sampling methods of adult mosquitoes used in study of genetic and morphometric differentiation of Anopheles arabiensis in Sudan 1998–2001 and 2004-2006

From: A genotypically distinct, melanic variant of Anopheles arabiensi s in Sudan is associated with arid environments

Location Position Malaria endemicity Rainy season Rain precipitate Sampling date Sampling methods
Khartoum 15° 3'– 15° 45' N 32° 15' - 32° 45' E hypo-meso endemic July -September 240 mm Nov 1998 - Oct 1999, July 2001, Dec 2004 – Nov 2006 Pyrethrum spray collection, Landing collection, Active search
Gedaref 12° 54’N 35° 08' E hyper-endemic June -October 815 mm Dec 2004 and Nov 2006 Pyrethrum spray collection, Landing collection, Active search
Kassala 15° 22 N' 36° 27' E hyper-endemic June -October 400 mm March 2005 and April 2006 Pyrethrum spray collection, Landing collection, Active search
North 19 ° 16 N' 0° 27' E free zones of malaria September 1 mm Feb 2006 Pyrethrum spray collection, Landing collection, Active search