The evolution of opsin genes in five species of mirid bugs: duplication of long-wavelength opsins and loss of blue-sensitive opsins

Table 1 Selective patterns for LW opsins

Model	np^a	Ln L^b	Estimates of ω	Models compared	LRT^c	P values
Branch models
I: one ratio	118	− 44,881.38	ω = 0.053
J: one ratio ω = 1	117	− 50,049.67	ω = 1	J vs. I	10,336.59	0
K: the LW1 lineage, LW2 lineage and the other branches have different d_n/d_s ratios	120	− 44,879.08	ω₁ = 0.064, ω₂ = 0.059, ω₀ = 0.050	I vs. K	10,341.18	0
M: each branch has its own ω	233	− 44,569.90	Variable ω by branch	I vs. M	622.96	0
Branch-site models
N: LW1 lineage has ω = 1	120	− 44,755.26
O: LW1 lineage	121	− 44,755.26		N vs. O	0	1
P: LW2 lineage has ω = 1	120	− 44,772.03
Q: LW2 lineage	121	− 44,772.03		P vs. Q	0	1

ISSN: 2730-7182