Two new grape mites, the rust mite and the bud mite, can reduce yields from stunted shoot growth, as seen here. New mites showing up in some Washington State vineyards are causing headaches for growers, but their presence indicates that vineyardists have reduced their pesticide inputs, says a university entomologist. Grape rust mites were found in vinifera and juice grape vineyards in the last two years, with bud mite and leaf curl mite found last summer, said Dr. David James, entomologist for Washington State University. “The mites could pose a threat initially but, ultimately, I believe they will be benign […]