Table 3. Population differentiation, F_ST.

population comparison	autosome	neo-PAR	Z	neo-Z	W	neo-W	mtDNA
Myzomela cardinalis
Allopatry vs. Sympatry	0.0323 (2 x 10−4)	0.0326 (0.0013)	0.0508 (0.0016)	0.0668 (0.0033)	-0.0067 (0.0061)	-0.0032 (0.002)	0.0019 (NA)
Myzomela tristrami
Allopatry vs. Sympatry	0.0061 (1 x 10−4)	0.0047 (2 x 10−4)	0.0054 (3 x 10−4)	0.0051 (5 x 10−4)	0.1548 (8 x 10−4)	0.1557 (2 x 10−4)	0.1233 (NA)
Heterospecific
Allo. Mcard vs. Allo. Mtris	0.2818 (0.001)	0.2757 (0.0061)	0.5921 (0.0048)	0.6606 (0.0052	0.9917 (7 x 10−4)	0.9924 (2 x 10−4)	0.9831 (NA)
Allo. Mcard vs. Sym. Mtris	0.2423 (9 x 10−4)	0.2426 (0.0054)	0.5704 (0.0048)	0.644 (0.0049)	0.7409 (8 x 10−4)	0.7411 (2 x 10−4)	0.8017 (NA)
Allo. Mtris vs. Sym. Mcard	0.2354 (9 x 10−4)	0.2509 (0.0066)	0.5717 (0.005)	0.6630 (0.0067)	0.9920 (6 x 10−4)	0.9927 (2 x 10−4)	0.9855 (NA)
Sym. Mcard vs. Sym. Mtris	0.1972 (8 x 10−4)	0.2178 (0.0059)	0.5511 (0.005)	0.6433 (0.0064)	0.7411 (7 x 10−4)	0.7413 (2 x 10−4)	0.8041 (NA)

F_ST averaged across 50kb windows for each region of the genome, for pairwise comparisons of phenotypic parental populations of Myzomela cardinalis (Mcard) and M. tristrami (Mtris). Allopatry and sympatry abbreviated as Allo. and Sym., respectively. Standard errors in parentheses.