File - In this undated file photo, the Asian citrus psyllid is seen in this University of Florida photo provided by the University of California, Davis. The California Department of Food and ... more 
File - In this undated file photo, the Asian citrus psyllid is seen in this University of Florida photo provided by the University of California, Davis. The California Department of Food and Agriculture announced Friday that citrus greening, also known as huanglongbing, has been discovered in lemon/pummelo tree in a residential neighborhood of Los Angeles County. The bacterial disease is carried by the Asian citrus psyllid and attacks the vascular system of trees. (AP Photo/University of Florida, Michael Rogers, file) less 
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Associated Press | Photo By University of Florida, Michael Rogers, file
Mon, Apr 2, 2012 4:49 PM EDT