<p>Supplementary material</p><p>Table S1. Nei genetic distances among pairs of populations of Cactoblastis cactorum in the Caribbean and Florida.</p><p>Pal Isla isa Muj do Antigua Navis LaRomana Trinidad Pinar Santiago LasTablas Guanica eres Atlantic Gulf res Antigua 0 0.00012 Nevis 88 0 0.00145 LaRomana 69 0.002453 0 0.00015 Trinidad 5 0.0002205 0.001825 0 0.00328 Pinar 61 0.0037249 0.0037003 0.0021644 0 0.00195 0.0003 Santiago 86 0.0025603 0.0018252 0.0012812 271 0 0.00378 0.0000 0.000584 LasTablas 92 0.0041465 0.0044774 0.0025246 382 2 0 0.00200 0.0040 0.002097 Guanica 47 0.0031512 0.0000435 0.0024097 675 6 0.004892 0 0.00378 0.0000 0.000584 IslaMujeres 92 0.0041465 0.0044774 0.0025246 382 2 0 0.004892 0 0.00 0.00061 0.0024 0.000996 300 Atlantic 04 0.0012732 0.0002722 0.0007124 085 7 0.0030033 0.0005091 33 0 0.00 0.00338 0.0000 0.000372 002 0.002521 Gulf 06 0.0038031 0.0038496 0.0022304 015 4 0.0000245 0.0042263 45 3 0 0.00 0.00014 0.0037 0.002572 415 0.001284 Palisadores 03 0.0000114 0.0024648 0.0002321 368 2 0.0041584 0.0031631 84 9 0.003815 0</p><p>Pali sad LasTabla Guan IslaMujer ore Antigua Navis LaRomana Trinidad Pinar Santiago s ica es Atlantic Gulf s Antigua 0 Nevis 88.442 0 LaRoman a 807.448 719.008 0 2035.62 Trinidad 9 1947.208 1228.711 0 2473.64 Pinar 1 2385.282 1667.629 440.441 0 1553.66 Santiago 7 1465.235 746.596 482.121 921.568 0 LasTabla s 955.369 866.941 149.378 1080.278 1518.772 598.306 0 Guanica 568.081 479.641 239.367 1467.869 1906.46 985.794 387.694 0 IslaMujer 2776.40 2209. es 5 2688.114 1971.263 745.46 305.136 1225.879 1822.204 795 0 2177.93 1610. Atlantic 8 2089.636 1371.975 213.201 369.752 636.955 1226.925 738 656.655 0 2370. Gulf 2937.62 2849.294 2131.963 904.632 464.443 1386.011 1983.028 693 162.36 803.079 0 Palisador 1669.20 1102. 1107.24 es 4 1580.893 864.503 370.819 804.7 130.722 715.253 66 3 547.737 1268.426 0 Table S2. Euclidean geographic distances between pairs of populations of Cactoblastis cactorum in the Caribbean and Florida.</p><p>Table S3. Connectivity matrix between all pairs of populations of populations of Cactoblastis cactorum in the Caribbean and Florida.</p><p>Antigua Navis LaRoman Trinidad Pinar Santiago LasTabla Gua IslaMuje Atlantic Gulf Pa lis ad or a s nica res es Antigua 0 0.01811 Nevis 5 0 LaRoma 0.04000 na 9 0.038899 0 0.05707 Trinidad 1 0.056143 0.052063 0 0.05399 Pinar 4 0.053068 0.049049 0.03258 0 0.05620 Santiago 1 0.055252 0.050424 0.046676 0.044547 0 LasTabla 0.04491 s 2 0.043853 0.032654 0.052915 0.049929 0.050733 0 0.03435 Guanica 4 0.033058 0.032421 0.05348 0.050429 0.052274 0.038856 0 0.05 IslaMuje 0.05959 602 res 4 0.058668 0.054652 0.039013 0.025884 0.050239 0.055529 9 0 0.09 0.09962 632 0.08398 Atlantic 3 0.098716 0.095212 0.085475 0.079146 0.093262 0.096474 8 6 0 0.07 0.08308 959 Gulf 2 0.082162 0.078293 0.064083 0.053552 0.074569 0.07929 6 0.05559 0.101495 0 Palisador 0.06484 0.06 0.05555 es 3 0.063888 0.059055 0.052997 0.050006 0.050637 0.059223 087 1 0.100954 0.080852 0 </p>