Table 1 Synonymous and nonsynonymous estimates and ratios (dN/dS) for comparisons among Drosophila suzukii, D. biarmipes, D. takahashii, and D. melanogaster

	dN		dS		dn/dS
	X^{^a}	A^{^b}	X	A	X	A
Dsuz-Dbia	0.022836	0.021361	0.241297	0.251222	0.094965	0.089532
Dsuz-Dtak	0.047266	0.032531	0.433947	0.377741	0.115737	0.090204
Dbia-Dtak	0.048836	0.035515	0.435043	0.404029	0.117354	0.093660
Dsuz-Dmel	0.056061	0.048341	0.520079	0.569554	0.110473	0.090889

dN, nonsynonymous; dS, synonymous; Dsuz, Drosophila suzukii; Dbia, D. biarmipes; Dtak, D. takahashii; Dmel, D. melanogaster.
↵a X-linked genes.
↵b Autosomal genes.