First generation adults from leafhopper vectors of X-disease phytoplasma including C. reductus and C. geminatus started being found in traps the week of May 10, 2021. Generally, second generation leafhoppers are of higher concern as first generation leafhoppers are often controlled by your standard insecticide program. To review your current insecticide applications for efficacy against leafhoppers see https://treefruit.wsu.edu/crop-protection/disease-management/western-x/