On June 30, 2022 the San Mateo County Agriculture Department pest detection team found a single Oriental fruit fly (Bactrocera dorsalis) in a baited trap in Menlo Park. The team followed up with a delimitation survey that includes 40 traps within one square mile of the find. This is in addition to 80 existing traps within the 8 square miles surrounding the find. No new Oriental fruit flies have been detected. Oriental fruit flies are an invasive pest native to southern Asia, that has become established in Hawaii.