Migration trajectories of the diamondback moth Plutella xylostella in China inferred from population genomic variation

Ming‐Zhu Chen, Li‐Jun Cao, Bing‐Yan Li, Jin‐Cui Chen, Ya‐Jun Gong, Ary Anthony Hoffmann & Shu‐Jun Wei
BACKGROUND: The diamondback moth (DBM), Plutella xylostella (Lepidoptera: Plutellidae), is a notorious pest of cruciferous plants. In temperate areas, annual populations of DBM originate from adult migrants. However, the source populations and migration trajectories of immigrants remain unclear. Here, we investigated migration trajectories of DBM in China with genome-wide single nucleotide polymorphisms (SNPs) genotyped using double-digest RAD (ddRAD) sequencing. We first analyzed patterns of spatial and temporal genetic structure among southern source and northern recipient...
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