California citrus - both on farms and in home landscapes - face a very real threat from a disease that is spread by Asian citrus psyllid. Florida and Texas citrus is already suffering terribly. California may be able to avoid the same fate, if all residents and farmers do their part to combat the pest. A video on YouTube has details. View more high-resolution photos
Photos: Asian citrus psyllids, malformed leaves and deformed fruits caused by the destructive pest
By Jeannette Warnert, UC Agriculture and Natural Resources
March 7, 2016 (San Diego’s East County) -- A tell-tale sign of spring in California is a flush of new leaf growth on citrus trees. Because the feathery light green leaves are particularly attractive to Asian citrus psyllids (ACP), the leaves' emergence marks a critical time to determine whether the pest has infested trees.