Well, humph. That will teach me to try to be a know-it-all. I was thinking of Citrus Canker caused by Xanthomonas axonopodis but your answer works, too.
Found on the net: The orange crop devastation began in 2005 when a bacterium that causes huanglongbing – better known as citrus greening or HLB disease – was found in southern Florida. Since then, the Asian citrus psyllid, a tiny flying insect which transmits the disease, has been blown across Florida by various hurricanes, which also brought down orange trees.
Wow, I had no idea. I heard that the Hawaiian bee has been placed on the endangered list.
What is the correct pronunciation of Dr. Seuss's name?
Theodore (the usual way)
Seuss - Suus (not Zuus)
Geisel - Guyzel (emphasis on first syllable)
What is the tendency of plants to reach towards light called?