Invasion dynamics of the mealy fennel aphid Dysaphis foeniculus in South Korea

This article in Biological Invasions documents the occurrence of the mealy fennel aphid Dysaphis foeniculus on Heracleum moellendorffii Hance (Apiaceae) in South Korea and demonstrates a previously unrecognized host association for this globally distributed species. Rather than representing a simple country record, this finding highlights the early stage of a potential biological invasion involving a polyphagous aphid with a demonstrated capacity for long-distance dispersal and host expansion. The research has two main objectives: (1) to identify D. foeniculus collected from H. moellendorffii in South Korea through integrative taxonomic approaches; and (2) to assess intraspecific genetic diversity using publicly available global datasets to contextualize the Korean population within the broader haplotypic variation.

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