Pollen metabarcoding reveals the origin and multigenerational migratory pathway of an intercontinental-scale butterfly outbreak

Johanna Luise Gorki, Roger López-Mañas, Llorenç Sáez, Mattia Menchetti, Nazar A. Shapoval, Anne Andersen, Dubi Benyamini, Steve Daniels, Aurora García‐Berro, Megan S. Reich, Stefano Scalercio, Eric Toro‐Delgado, Clément P. Bataille, Cristina Domingo‐Marimon, Roger Vila, Tomasz Suchan, Gerard Talavera