Check citrus and other hosts of diaprepes root weevil for semi-circular notches along the edges of new leaves. For photos and information, visit http://anrcatalog.ucdavis.edu and type diaprepes root weevil in the search box. Also examine new "flush" growth for signs of Asian citrus psyllid. This insect can spread a fatal citrus disease that has been discovered in a tree in the Los Angeles area. Visit www.californiacitrusthreat.org for more information. If you think your citrus tree is infested with the psyllid, report it by calling the exotic pest hotline at (800) 491-1899.