aspiration not only from lime trees in the affected region but also from lime trees in regions free of the disease. From the extent and severity of the symptoms observed and the presence of the vector, some trees must have become infected 10 yr ago. Eradication of the 500 or so affected trees is underway. A few individuals of Diaphorina citri, the psyllid vector of Huanglongbing, were also collected in the survey. This is the first report of D. citri and of H. phycitis
in Iran. The origin of WBDL is discussed