Las Vegas Sun

October 25, 2014

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In this Wednesday, July 31, 2014 photo, the Asian Citrus Psyllid is shown on a lemon tree in a greenhouse at the University of Florida Citrus Research and Education Center, in Lake Alfred, Fla. The psyllid is an invasive bug which carries bacteria that are left behind when the psyllid feeds on a citrus tree's leaves. Eventually the disease clogs the plant's vascular system and the tree dies.This disease called "greening" is threatening Florida's $9 billion citrus industry.

AP Photo/Lynne Sladky

In this Wednesday, July 31, 2014 photo, the Asian Citrus Psyllid is shown on a lemon tree in a greenhouse at the University of Florida Citrus Research and Education Center, in Lake Alfred, Fla. The psyllid is an invasive bug which carries bacteria that are left behind when the psyllid feeds on a citrus tree's leaves. Eventually the disease clogs the plant's vascular system and the tree dies.This disease called "greening" is threatening Florida's $9 billion citrus industry.