Table 3 Summary of isolation-with-migration model fit, showing pairs of populations with direct gene flow inferred in the best and second best model, as well as the ΔAIC between them.

From: Evaluating insect-host interactions as a driver of species divergence in palm flower weevils

OTU

Populations included

Populations connected in best model

Populations connected in second best model

ΔAIC

Anc. trapezicollis OTU 1

3

AB, AC, BC

AC, BC

1848

Anc. trapezicollis OTU 2

2

AB

none

5645

Anc. trapezicollis OTU 3

2

AB

none

228

And. bondari OTU 1

2

AB

none

6273

And. bondari OTU 2

2

AB

none

2886

C. decolor OTU 1

2

AB

none

3656

C. decolor OTU 2

2

AB

none

182

C. impar

3

AB, AC, BC

AB, BC

1080

D. polyphaga

2

AB

none

902

M. bondari OTU 1

2

AB

none

1096

M. ypsilon

2

AB

none

2620

R. rectinasus

3

AB, AC

AB, AC, BC

15

  1. Population labels follow Fig. 1, full table with inferred parameters in Supplementary Table 1.