Genomic data support multiple introductions and explosive demographic expansions in an invasive aquatic insect

<b>Samples.xlsx</b>: Description of individual and population codes used in the different analyses and genomic datasets.<br> <b>p9r05m5minMAF001.str</b>: Input file used to perform genetic clustering (STRUCTURE) and principal component analyses (PCA). <b><br></b><b>FASTSIMCOAL2.zip</b>: This ZIP folder contains input files for demographic analyses in FASTSIMCOAL2 for three-population and single-population models. <b><br></b><b>CIRCUITSCAPE.zip</b>:<b> </b>This ZIP folder contains raster files and geographical coordinates of populations used calculate resistance distance matrices in CIRCUITSCAPE under alternative scenarios of landscape resistance. <b><br></b><b>MMRR.zip</b>: This ZIP folder contains a matrix of pairwise genetic differentiation (FST) between populations and resistance distance matrices for the alternative scenarios of landscape resistance tested using Multiple Matrix Regressions with Randomization (MMRR).