He wasn't completely sure. But, from this early identification and study of the pest, the population began moving faster than anyone would have expected. It just exploded. Within a couple of years, the suspected link between the glassy-winged sharpshooter and Pierce's disease was confirmed in Riverside County's Temecula winegrape growing region, where grapes and citrus grow side by side. Unfortunately the link wasn't found in time to prevent the infection of about 3,000 acres of premium winegrapes.
Adults are relatively easy to kill with materials that are well known and registered.
Killing the adults won't stop future infestations. We need to deal with the eggs and nymphs. Of course, you can't ignore the value of knockdown. It's the first step. The need to reduce sharpshooter numbers has been a concern for the state's growers of both citrus and grapes, with some grape growers complaining those in citrus aren't doing enough to help in the effort.