An article about Imidacloprid and oranges in FL. 

http://www.palmbeachpost.com/business/content/business/epaper/2007/04/22/
a1f_bees_0422.html

also this quote from the article:  

"And on Monday, bee experts and entomologists from all over the country are to meet for a two-day 
discussion of the disorder at the headquarters of the Agricultural Research Service in Beltsville, Md" 

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