Drosophila suzukii: Pathways and pathway management by regulation

Abstract

For geographically isolated countries, where Spotted Wing Drosophila (SWD) or Drosophila suzukii remains a quarantine pest, regulating entry pathways is of paramount importance. Countries such as New Zealand and Australia reacted to the establishment of D. suzukii in the United States by imposing emergency measures on imported host material. However, under the International Plant Protection Convention (IPPC 2015), emergency measures cannot be imposed indefinitely and must be justified by risk analysis within a reasonable timeframe. This chapter reviews the invasion history and pathways of D. suzukii and discusses justification for imposing measures, host determination in a scientific context and host categorisation in a regulatory context.