Table 1. Estimates of mean nucleotide diversity (π) and Tajima’s D for each chromosome arm and An. melas population, measured in 100 kb, nonoverlapping sliding windows.

Population	X		2R		2L		3R		3L		Genome-Wide
	π	Tajima’s D	π	Tajima’s D	π	Tajima’s D	π	Tajima’s D	π	Tajima’s D	π	Tajima’s D
West	0.0046	−0.100	0.0045	−0.126	0.0053	−0.108	0.0058	−0.107	0.0058	−0.093	0.0052	−0.1092
	(0.00008)	(0.0050)	(0.00009)	(0.0029)	(0.00009)	(0.0032)	(0.00013)	(0.0028)	(0.00011)	(0.0028)	(4.78 × 10−5)	(0.0014)
South	0.0035	−0.035	0.0045	−0.030	0.0050	−0.025	0.0053	−0.032	0.0051	−0.026	0.0048	−0.0291
	(0.00010)	(0.0054)	(0.00010)	(0.0024)	(0.00010)	(0.0026)	(0.00014)	(0.0025)	(0.00012)	(0.0025)	(5.31 × 10−5)	(0.0012)
Boiko	0.0029	−0.042	0.0029	−0.038	0.0035	−0.024	0.0037	−0.022	0.0039	−0.021	0.0034	−0.0287
	(0.00008)	(0.0070)	(0.00009)	(0.0037)	(0.00013)	(0.0037)	(0.00012)	(0.0039)	(0.00012)	(0.0038)	(5.12 × 10−5)	(0.0018)

Values in parentheses indicate the standard error of the mean for each statistic. Regions of heterochromatin in the An. gambiae genome were removed from summary statistics.