Climate change significantly contributes to shifts in the geographical range of pests and diseases. Leafhoppers (Hemiptera: Cicadellidae), known vectors of phytoplasmas pathogens, are linked to the transmission of more than 600 diseases affecting a thousand plant species worldwide. Despite this, the potential effects of climate change on leafhopper vectors of phytoplasmas remain a critical knowledge gap. Among these species, Empoasca fabae Harris 1841 has been identified as both a vector of several diseases and a very economically important pest. This species is also a well-studied example of a migratory leafhopper, but the extent of its migrations is understudied, particularly regarding evidence of reverse migration from Canada to the United States. In our lab, we decided to understand this using modeling and field data obtained over the last four years. This will be critical for establishing comprehensive integrated management strategies.
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